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.

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Invasion Machine Modern-warfare RTS/sandbox game inspired by the real conflicts in the Middle East. Fight a counter-insurgency war, protect the civilian population, casevac your wounded and decide how the world sees your struggle. And remember - no one gets left behind.

Similarity 54%
Price 15.99€
Rating 6.7
Release 26 Feb 2020
Ultimate Admiral: Age of Sail Ultimate Admiral: Age of Sail is a tactical wargame from the creators of the Ultimate General series set amidst the epic naval campaigns in the period of the American Revolutionary and Napoleonic Wars.

Similarity 54%
Price 28.99€
Rating 7.6
Release 07 Apr 2021
MarZ: Tactical Base Defense Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

Similarity 54%
Price -76% 4.87€
Rating 7.5
Release 04 Apr 2019
World War II: Panzer Claws WORLD WAR II: PANZER CLAWS [aka Frontline Attack: War over Europe] pushes back the boundaries of real-time strategy gaming!Take control of the Allied, German, or the Russian in the harsh reality of the battlefields of World War II.

Similarity 54%
Price 6.89€
Rating 6.3
Release 27 Sep 2013
Joint Task Force Joint Task Force is the real-time strategy (RTS) game where you command the frontline forces in tomorrow's most hazardous conflicts. Lead twenty dramatic missions in explosive war-zones including the Middle East, Central Asia, and the Balkans.

Similarity 54%
Price 6.59€
Rating 8.1
Release 27 Mar 2007
Infested Planet Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Similarity 54%
Price 12.49€
Rating 9.0
Release 06 Mar 2014
YORG.io YORG.io is a game with an original twist on supply chains and zombies. Your goal is to build a base which survives the night which is when zombies attack. Build and upgrade defensive towers to protect your base and try to survive as long as possible.

Similarity 54%
Price 3.99€
Rating 8.5
Release 23 May 2019
Visitor 来访者 Visitor is a full-motion video (FMV) detective suspense game. The game tells a story that on a winter night in 2017, a murder case happened in a residential building, a prostitute Shasha died in her own home.

Similarity 54%
Price 3.29€
Rating 7.5
Release 07 Jul 2018
EMERGENCY 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!

Similarity 54%
Price Free to play
Rating 6.7
Release 15 Aug 2023
Impossible Creatures Steam Edition Impossible Creatures is a 3D RTS game that pits the player against an evil villain. Using Earth’s most formidable animals as building blocks, the player must create an army of genetically-altered mutant monsters in a titanic struggle to protect an unsuspecting world.

Similarity 53%
Price -95% 0.56€
Rating 9.1
Release 11 Nov 2015
The Mahjong Huntress Embark on a mysterious quest in search of the missing groom, Charles Gilbertworth, solve riddles, encounter supernatural creatures and ghosts - all while solving relaxing and fun Mahjong puzzles with innovative gameplay mechanics.

Similarity 53%
Price 4.99€
Rating 6.6
Release 25 May 2016
Fibbage XL 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!

Similarity 53%
Price -98% 0.22€
Rating 8.7
Release 24 Mar 2016
Agent Awesome Agent Awesome is a humorous strategy game in which you will have to help Agent A plan the perfect strategy to take down E.V.I.L., all of this in order to win a drunk dare. Awesome, right?

Similarity 53%
Price -75% 0.25€
Rating 6.1
Release 17 Feb 2015
Steel Division 2 Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order.

Similarity 53%
Price -66% 13.85€
Rating 7.8
Release 20 Jun 2019
Chip Chip is an isometric puzzle game with robots, electricity and fancy dress! The player must help recharge Chip - a plucky little red robot - who has been imprisoned by the nefarious villain, Rust.

Similarity 53%
Price -92% 0.33€
Rating 7.9
Release 25 Apr 2014
Clatter Create and command your own customizable squads of fighting robots in this turn-based, arena tactics game.

Similarity 53%
Price Free to play
Rating 7.9
Release 10 Dec 2018
Boogeyman 2 Awoken in the night by your doll. Speaking as if it possesses a mind of its own. The doll warns you of a monster that has come to take you away.

Similarity 53%
Price 4.99€
Rating 7.7
Release 07 Feb 2017
Terrorhedron Tower Defense Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is introduced to the genre through 3 dimensional gameplay, micro-strategy through programmable turrets and 'edge of seat' gameplay is extended to multiplayer with up to 8 players online co-op.

Similarity 53%
Price 1.99€
Rating 8.0
Release 24 Jul 2014
Order of War™ October 22, 2009 - Update has released free Downloadable Content for Order of War. The DLC will download automatically the next time you launch the game. This DLC contains all the formerly exclusive pre-order items which include: Heavy Bomber Squadrons - Addition of German Arado and Allied B-24 Marauder heavy bomber units to air support...

Similarity 53%
Price 7.99€
Rating 6.9
Release 17 Sep 2009
Men of War: Red Tide Men of War: Red Tide is a sequel to the critically acclaimed RTS Men of War. Red Tide introduces a new story driven campaign based on the writings of Soviet scribe Alexander Zorich, it also includes dozens of new or upgraded units and weapons.

Similarity 53%
Price 4.99€
Rating 8.1
Release 01 Nov 2009
Warlords Battlecry III Warlords Battlecry III is the next installment in the award-winning Warlords Battlecry series. Builds upon the famous features of previous Battlecry titles such as the outstanding AI, innovative gameplay and hero system that has made this brand renowned throughout the RTS genre.

Similarity 53%
Price -26% 7.49€
Rating 7.9
Release 22 Jan 2016
Loopstructor This is a strategy game that combines tower defense with Roguelike. Unlike traditional tower defense game, the towers in the game are vehicles that move along ‘loops’.You need to create defense loop and build battle trains to defend against enemy attacks.

Similarity 53%
Price 4.99€
Rating 7.8
Release 07 Aug 2024
SERIES MAKERS TYCOON Series Makers makes your dreams come true. Produce your own TV series and build your own TV studio with your team. Dominate the TV landscape and fight your way up for worldwide success!

Similarity 53%
Price 4.99€
Rating 6.8
Release 22 Feb 2019
Demise of Nations Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization.

Similarity 53%
Price Free to play
Rating 7.6
Release 08 Aug 2017

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