Games like Interloper on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Interloper are available at the bottom of the page.

Filters & Lists
Imperivm RTC - HD Edition "Great Battles of Rome" Lead the battles that forged the greatest Empire of all time. Seven civilizations fighting for glory or freedom: Rome, Aegyptus, Britannia, Germania, Gallia, Hispania, and Carthago. Enjoy the fast-paced RTC “Real-Time Conquest” gameplay, an Old School RTS oriented to military conquest.

Similarity 53%
Price 9.95€
Rating 6.5
Release 16 Aug 2021
SpellForce 3 Soul Harvest Three years after the Purity Wars, Nortander is on the cusp of a new era.

Similarity 53%
Price 19.99€
Rating 8.2
Release 28 May 2019
Stellar Warfare Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Similarity 53%
Price -81% 3.94€
Rating 8.0
Release 04 Aug 2021
The Valiant Embark on a journey of brotherhood and redemption in The Valiant, a squad-based RTS set in 13th Century Europe and the Middle East. Command and level-up your medieval knights as you fight through an epic SP campaign, then take your skills online in both cooperative and competitive MP modes.

Similarity 52%
Price -96% 1.19€
Rating 6.3
Release 19 Oct 2022
Company of Heroes: Opposing Fronts The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle...

Similarity 52%
Price -97% 0.62€
Rating 8.7
Release 24 Sep 2007
ICBM: Escalation ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.

Similarity 52%
Price -56% 12.80€
Rating 8.3
Release 21 Nov 2024
Rogue Agent Rogue Agent is a turn-based strategy game, fast-paced, that pits the player against the computer on a secret service thriller around the world.

Similarity 52%
Price Free to play
Rating 7.9
Release 29 Apr 2018
Who Is This Man Who is This Man is an spy game with privacy and hiding. Secretly infiltrate his target's house and miss his stuff. Report them later. Buy new agent equipment

Similarity 52%
Price 9.75€
Rating 6.8
Release 28 Jun 2019
Deep Space Battle Simulator Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!

Similarity 52%
Price 9.99€
Rating 7.4
Release 05 Nov 2021
Act of War: Direct Action Tomorrow's War Is NOW Ripped from today's headlines, Act of War: Direct Action™ is a frightening tale of suspense, international intrigue and geopolitical military conflict. This real-time strategy experience puts you squarely in control of counterterrorist forces and delivers a first look at tomorrow's war.

Similarity 52%
Price -77% 0.69€
Rating 8.4
Release 12 Mar 2008
SurvivalZ Battlegrounds SurvivalZ Battlegrounds is a mini Battle Royale in a cubic world!

Similarity 52%
Price 1.99€
Rating 6.1
Release 02 Apr 2019
Plague Inc: Evolved Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.

Similarity 52%
Price -66% 5.17€
Rating 9.3
Release 18 Feb 2016
Prime & Load : 1776 Set in the American Revolution, Prime & Load : 1776 lets command and control your very own regiment.

Similarity 52%
Price 6.59€
Rating 7.2
Release 25 Nov 2020
Airmen Airmen is a first person ship building and battling game featuring airships, landships and watercraft. Crew your ship solo or alongside friends on dangerous expeditions into the archipelago to complete contracts, collect resources, and upgrade your ships.

Similarity 52%
Price 14.99€
Rating 7.3
Release 25 Jul 2017
Conquest of Elysium 3 Conquest of Elysium 3 (CoE3) is a streamlined turn based fantasy strategy game with a touch of rogue-like and the complex undertones of Illwinter's Dominions series. While CoE3 appears to be a simple game with limited options at first glance, delving further into the game reveals a game of complex decision making and risky endeavors.

Similarity 51%
Price 9.75€
Rating 7.5
Release 24 Oct 2012
Frozen Synapse Brings the simultaneous turn-based strategy genre up-to-date and lets you give detailed, accurate orders to your squad.

Similarity 51%
Price 22.99€
Rating 8.0
Release 26 May 2011
Tom Clancy's EndWar™ Live the thrilling career of an army commander and lead your army to victory in a massive online World War III! Take control of the U.S.-led Joint Strike Force, the European Enforcers Corps, or the Russian Spetsnaz Guards Brigade in a persistent ongoing World War.

Similarity 51%
Price 9.99€
Rating 7.7
Release 25 Feb 2009
Anomaly: Warzone Earth Lead an armored squad through the perils of this reversed tower defense action-strategy game!

Similarity 51%
Price -96% 0.46€
Rating 8.4
Release 08 Apr 2011
Red Planet Farming Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet.

Similarity 51%
Price Free to play
Rating 9.0
Release 25 May 2020
Astronarch A fusion of roguelikes and auto-battlers like never before seen. Recruit a party of mysterious heroes, navigate deadly lands, collect an arsenal of magical items, and vanquish a new evil threatening the realm!

Similarity 51%
Price -97% 0.41€
Rating 8.5
Release 22 Jan 2021
Touhou Ibunseki - Ayaria Dawn: ReCreation (English Version Available) A classical Monopoly-like game with 20+ Touhou characters and 10+ official maps. Custom level editor, double resource system (money & crystal), electric dispatching, SP required dice throwing and weather system bring you a whole different game experience. Original characters are waiting for your challenge!

Similarity 51%
Price 15.99€
Rating 8.0
Release 01 Apr 2022
Eador: Genesis Eador: Genesis is an indie turn-based strategy game created by Alexey Bokulev. It has inspired the development of Eador: Masters of the Broken World.Take the role of a mighty Master and shape the destiny of Eador, on land and within the astral plane itself.

Similarity 51%
Price 4.99€
Rating 7.8
Release 14 Oct 2013
Stars in Shadow Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

Similarity 51%
Price -97% 0.92€
Rating 7.5
Release 19 Jan 2017
CARNAGE OFFERING Tower Defense The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!

Similarity 51%
Price 9.75€
Rating 8.5
Release 17 Sep 2023

Most played games like Interloper on Steam

Take a look at the top games like Interloper that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Age of Empires II: Definitive Edition

Similarity 54% 42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king. Age of Empires II: Definitive Edition is a strategy, rts and city builder game developed by Forgotten Empires, Tantalus Media, Wicked Witch, World's Edge and CaptureAge and published by Xbox Game Studios. Released on November 14th 2019 has received 162,462 reviews of which 154,061 were positive and 8,401 were negative resulting in an impressive rating of 9.4 out of 10. The game has hit the top spot as the #1 most played game like Interloper, thanks to its 15,584 peak concurrent players over the last day.
9.4
154,061
8,401

15,584
players

2. Age of Empires IV: Anniversary Edition

Similarity 54% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 80,870 reviews of which 69,559 were positive and 11,311 were negative resulting in a rating of 8.5 out of 10. While seeing 6,242 players online at once in the last 24 hours, this game is currently ranked #2 among games like Interloper based on player count.
8.5
69,559
11,311

6,242
players

3. Age of Empires III: Definitive Edition

Similarity 54% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. While seeing 3,597 players online at once in the last 24 hours, this game is currently ranked #3 among games like Interloper based on player count.
8.3
40,941
7,401

3,597
players

4. STAR WARS™ Empire at War - Gold Pack

Similarity 50% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. With 2,985 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Interloper.
9.6
38,503
932

2,985
players

5. Age of Empires II (Retired)

Similarity 54% Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further. Age of Empires II (Retired) is a strategy, rts and medieval game developed by SkyBox Labs, Hidden Path Entertainment, Ensemble Studios and Forgotten Empires and published by Xbox Game Studios. Released on April 09th 2013 has received 101,351 reviews of which 97,083 were positive and 4,268 were negative resulting in an impressive rating of 9.4 out of 10. With 2,630 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Interloper.
9.4
97,083
4,268

2,630
players

6. Company of Heroes 2

Similarity 54% Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below. Company of Heroes 2 is a strategy, world war ii and rts game developed by Relic Entertainment and Feral Interactive (Linux) and published by Relic Entertainment, Feral interactive (Mac) and Feral Interactive (Linux). Released on June 25th 2013 has received 109,825 reviews of which 86,713 were positive and 23,112 were negative resulting in a rating of 7.8 out of 10. With 2,038 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Interloper.
7.8
86,713
23,112

2,038
players

7. Age of Mythology: Extended Edition

Similarity 51% Age of Mythology is back! Choose your god and take to the battlefield in this classic, upgraded with full Steamworks integration and enhanced features. Age of Mythology: Extended Edition is a strategy, mythology and rts game developed by SkyBox Labs and Ensemble Studios and published by Xbox Game Studios. Released on May 08th 2014 has received 35,308 reviews of which 32,895 were positive and 2,413 were negative resulting in an impressive rating of 9.1 out of 10. With 1,000 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Interloper.
9.1
32,895
2,413

1,000
players

8. Business Tour - Board Game with Online Multiplayer

Similarity 47% "Business Tour" is a free to play multiplayer tabletop game. Build your monopoly with friends. Complete daily tasks, compete against the other players and receive trade items rewards! Business Tour - Board Game with Online Multiplayer is a board game, free to play and multiplayer game developed by and published by 8floor. Released on July 27th 2017 has received 76,772 reviews of which 46,567 were positive and 30,205 were negative resulting in a rating of 6.0 out of 10. With 887 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Interloper.
6.0
46,567
30,205

887
players

9. Company of Heroes

Similarity 48% Delivering a visceral WWII gaming experience, Company of Heroes redefines RTS by bringing the sacrifice of heroic soldiers, war-ravaged environments, and dynamic battlefields to life. Please visit the "Company of Heroes - Legacy Edition" page for additional user reviews. Company of Heroes is a strategy, world war ii and rts game developed by Relic Entertainment and published by SEGA. Released on September 11th 2006 has received 16,971 reviews of which 16,025 were positive and 946 were negative resulting in an impressive rating of 9.2 out of 10. With 858 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Interloper.
9.2
16,025
946

858
players

10. Supreme Commander: Forged Alliance

Similarity 54% The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike. Supreme Commander: Forged Alliance is a strategy, rts and sci-fi game developed by Gas Powered Games and published by Square Enix. Released on September 28th 2011 has received 13,468 reviews of which 13,042 were positive and 426 were negative resulting in an impressive rating of 9.4 out of 10. With 852 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Interloper.
9.4
13,042
426

852
players

Best deals on games like Interloper on Steam

Discover fantastic savings with the best discounts on a variety of games like Interloper available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Interloper.

1. Homeworld: Deserts of Kharak

Similarity 55% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Interloper.
7.8
6,789
1,730

-99% 45.99€ 0.88€

2. HERO DEFENSE

Similarity 55% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Interloper.
6.1
471
276

-99% 29.99€ 0.56€

3. ReignMaker

Similarity 48% ReignMaker: Saving the World One Tower at a Time. ReignMaker is a match-3 game with tower defense, city building, and political strategy elements. Your policy decisions determine the fate of your city and the direction of the story. Your match-3 and tower defense skills determine the fate of the world. ReignMaker is a casual, strategy and indie game developed and published by Frogdice. Released on April 16th 2014 has received 410 reviews of which 260 were positive and 150 were negative resulting in a rating of 6.1 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Interloper.
6.1
260
150

-99% 14.99€ 0.20€

4. Fibbage XL

Similarity 53% NOTE: This game first appeared in The Jackbox Party Pack. It’s Fibbage XL – The Hilarious Bluffing Party Game in standalone form! Fool your friends with your lies, avoid theirs, and find the (usually outrageous) truth. “The mayor of Rabbit Hash, Kentucky is a ____.” Baby? Rabbit? Ham sandwich? Go! Fibbage XL is a strategy, casual and indie game developed and published by Jackbox Games and Inc.. Released on March 24th 2016 has received 318 reviews of which 301 were positive and 17 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Interloper.
8.7
301
17

-98% 9.99€ 0.22€

5. DG2: Defense Grid 2

Similarity 56% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Interloper.
8.3
2,723
440

-98% 12.49€ 0.26€

6. Tooth and Tail

Similarity 71% Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies! Tooth and Tail is a strategy, rts and pixel graphics game developed and published by Pocketwatch Games. Released on September 12th 2017 has received 4,057 reviews of which 3,242 were positive and 815 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Interloper.
7.8
3,242
815

-98% 19.99€ 0.56€

7. Stronghold Crusader 2

Similarity 49% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a strategy, medieval and city builder game developed and published by FireFly Studios. Released on September 22nd 2014 has received 17,082 reviews of which 12,328 were positive and 4,754 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Interloper.
7.1
12,328
4,754

-98% 29.99€ 0.78€

8. Planets Under Attack

Similarity 76% Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies. Planets Under Attack is a strategy, indie and space game developed by Targem Games and published by TopWare Interactive. Released on September 27th 2012 has received 1,119 reviews of which 808 were positive and 311 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Interloper.
7.0
808
311

-98% 11.79€ 0.26€

9. Battle Worlds: Kronos

Similarity 49% Battle Worlds: Kronos is a classic turn-based strategy game in the tradition of Battle Isle, Advance Wars and Panzer General. Have you ever wondered what games like that would look like today? Well, we did. As a result, we decided to develope Battle Worlds: Kronos. Battle Worlds: Kronos is a strategy, turn-based strategy and turn-based game developed by KING Art and published by KING Art and THQ Nordic. Released on November 04th 2013 has received 309 reviews of which 207 were positive and 102 were negative resulting in a rating of 6.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Interloper.
6.4
207
102

-98% 19.99€ 0.47€

10. Company of Heroes: Opposing Fronts

Similarity 52% The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle... Company of Heroes: Opposing Fronts is a strategy, rts and world war ii game developed by Relic Entertainment and published by SEGA. Released on September 24th 2007 has received 1,138 reviews of which 1,045 were positive and 93 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Interloper.
8.7
1,045
93

-97% 18.49€ 0.62€

Free games like Interloper on Steam

Check out this fantastic list of free-to-play games like Interloper you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Interloper.

1. Age of Empires III: Definitive Edition

Similarity 54% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Interloper.
8.3
40,941
7,401

3,597
players

2. Business Tour - Board Game with Online Multiplayer

Similarity 47% "Business Tour" is a free to play multiplayer tabletop game. Build your monopoly with friends. Complete daily tasks, compete against the other players and receive trade items rewards! Business Tour - Board Game with Online Multiplayer is a board game, free to play and multiplayer game developed by and published by 8floor. Released on July 27th 2017 has received 76,772 reviews of which 46,567 were positive and 30,205 were negative resulting in a rating of 6.0 out of 10. Thanks to its free to play tag and a daily player base of 887, this game has secured the #2 spot in the ranking of free games like Interloper.
6.0
46,567
30,205

887
players

3. War Selection

Similarity 49% War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,854 reviews of which 18,745 were positive and 3,109 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 486, this game has secured the #3 spot in the ranking of free games like Interloper.
8.4
18,745
3,109

486
players

4. EMERGENCY

Similarity 54% Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you! EMERGENCY is a free to play, multiplayer and strategy game developed and published by Sixteen Tons Entertainment. Released on August 15th 2023 has received 5,564 reviews of which 3,797 were positive and 1,767 were negative resulting in a rating of 6.7 out of 10. Attracting a solid base of 197 players due to its free access, this strategy game has achieved the #4 position in the best free games like Interloper.
6.7
3,797
1,767

197
players

5. Talisman: Digital Classic Edition

Similarity 49% The officially licensed multiplayer version of the classic fantasy adventure board game, Talisman, based on the 4th Edition of the game. On your travels, you will need strength, courage and some good dice rolls to survive the dangers you face and beat your opponents to the centre of the board! Talisman: Digital Classic Edition is a board game, tabletop and strategy game developed and published by Nomad Games. Released on February 25th 2014 has received 9,661 reviews of which 7,569 were positive and 2,092 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 118 players due to its free access, this strategy game has achieved the #5 position in the best free games like Interloper.
7.7
7,569
2,092

118
players

6. Zero-K

Similarity 70% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #6 spot among the most played free games like Interloper.
9.0
3,678
244

93
players

7. My Lands: Black Gem Hunting

Similarity 68% My Lands is a free online RTS where dark and light forces fight for Black Gem and dominion in a vast fantasy world. Cooperation between players, joint economy development, creation of clans and alliances and elaboration of a team strategy serve as the very foundation of the game. My Lands: Black Gem Hunting is a strategy, free to play and rts game developed by Gravvit Ltd and Forbes Consult Ltd and published by ELYLAND INVESTMENT COMPANY Ltd. Released on September 16th 2014 has received 3,306 reviews of which 2,766 were positive and 540 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #7 spot among the most played free games like Interloper.
8.1
2,766
540

51
players

8. Emporea: Realms of War and Magic

Similarity 48% Emporea is an oldschool fantasy strategy game, where cooperation with other players is necessary to achieve victory. Only the best alliance can win! Multiple realms available, with new ones starting every two weeks. Emporea: Realms of War and Magic is a free to play, strategy and massively multiplayer game developed and published by Pixel Federation. Released on June 08th 2016 has received 526 reviews of which 359 were positive and 167 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #8 spot among the most played free games like Interloper.
6.6
359
167

31
players

9. AirMech

Similarity 57% AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious! AirMech is a free to play, strategy and multiplayer game developed and published by Carbon Games. Released on March 30th 2018 has received 10,679 reviews of which 8,984 were positive and 1,695 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #9 spot among the most played free games like Interloper.
8.2
8,984
1,695

28
players

10. Planet S

Similarity 56% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,603 reviews of which 2,387 were positive and 216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played free games like Interloper.
8.8
2,387
216

17
players