Games like DG2: Defense Grid 2 on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like DG2: Defense Grid 2 are available at the bottom of the page.

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Space Run Galaxy Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.

Similarity 86%
Price -92% 0.84€
Rating 6.2
Release 17 Jun 2016
Space Run Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!

Similarity 85%
Price -91% 0.46€
Rating 8.2
Release 13 Jun 2014
Cubemen Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!

Similarity 83%
Price 2.99€
Rating 6.8
Release 16 Mar 2012
Tower Wars Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!

Similarity 81%
Price -42% 4.69€
Rating 7.0
Release 14 Aug 2012
Warstone TD Warstone is a Tower Defense game, with RPG, Strategy, and even city building elements. Detailed Hi-res graphics and beautiful illustrations combine with a deep storyline to draw you into the world.

Similarity 79%
Price -95% 0.75€
Rating 8.0
Release 23 May 2018
Anomaly: Warzone Earth Lead an armored squad through the perils of this reversed tower defense action-strategy game!

Similarity 78%
Price -96% 0.46€
Rating 8.4
Release 08 Apr 2011
Fieldrunners Fieldrunners is now available on Steam! Download it now to play the hit tower defense game critics and fans have been raving about. Descend into the world of Fieldrunners, the most anticipated and visually stunning game in tower defense history!

Similarity 78%
Price -81% 0.77€
Rating 6.2
Release 24 May 2012
Planets Under Attack 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.

Similarity 77%
Price -98% 0.26€
Rating 7.0
Release 27 Sep 2012
Defense Grid: The Awakening Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.

Similarity 77%
Price 7.99€
Rating 9.3
Release 08 Dec 2008
HERO DEFENSE 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.

Similarity 77%
Price -99% 0.56€
Rating 6.1
Release 31 May 2016
Anomaly 2 Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.

Similarity 76%
Price -94% 0.89€
Rating 7.6
Release 15 May 2013
Revenge of the Titans The ultimate mash-up of Real-time Strategy and Tower Defense!

Similarity 75%
Price 16.79€
Rating 7.8
Release 16 Mar 2011
Particula Destroy negativity, clear your mind! Particula brings you a new perspective in gaming, helping you to concentrate and relax. A three players co-op tower defense experience with a relaxing soundtrack, smooth visuals and gameplay.

Similarity 75%
Price -95% 0.25€
Rating 6.8
Release 02 Feb 2015
Dungeon Warfare 2 Become a dungeon lord to defend your dungeons with the deadliest of traps and insidious contraptions against greedy adventurers and wannabe heroes.

Similarity 75%
Price 12.49€
Rating 8.6
Release 06 Jul 2018
Sanctum 2 Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Similarity 75%
Price -96% 0.70€
Rating 8.8
Release 15 May 2013
Unstoppable Gorg Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!

Similarity 75%
Price 9.75€
Rating 7.4
Release 19 Jan 2012
Anomaly Defenders Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.

Similarity 74%
Price -95% 0.58€
Rating 7.3
Release 29 May 2014
Anomaly Korea Exclusively brought to Steam for PC, Mac and Linux in Anomaly Bundle, Anomaly Korea is an expansion campaign to Anomaly Warzone Earth. The alien robots are back and this time they’ve got Korea in their sights. It’s your job to lead a squad into fierce fire-fights and fend off the alien invasion.

Similarity 73%
Price -95% 0.29€
Rating 7.5
Release 06 Nov 2013
Sanctum You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

Similarity 73%
Price -95% 0.58€
Rating 8.6
Release 15 Apr 2011
X-Morph: Defense Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

Similarity 72%
Price -98% 0.54€
Rating 8.8
Release 30 Aug 2017
Fortified Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Similarity 71%
Price -95% 0.75€
Rating 7.2
Release 03 Feb 2016
Creeper World 3: Arc Eternal Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

Similarity 70%
Price -23% 11.56€
Rating 9.3
Release 27 Mar 2014
The White Laboratory The White Laboratory is a sandbox style physics-based tower defense and RTS game in which you modularly build and command robotic structures. Use them to defend against or conquer other disobedient mechanical blocks on a facility floating in the atmosphere of a remote gas planet.

Similarity 69%
Price 8.19€
Rating 7.3
Release 28 Mar 2019
Anomaly Warzone Earth Mobile Campaign Anomaly Warzone Earth Mobile Campaign continues Steam's Anomaly Warzone Earth in an extra 15-level campaign. Originally released on mobile devices, the campaign is brought to Steam for PC, Mac and Linux exclusively in Anomaly Bundle. AWE Mobile Campaign turns tower defense on its head.

Similarity 69%
Price -86% 0.69€
Rating 7.5
Release 06 Nov 2013

Most played games like DG2: Defense Grid 2 on Steam

Take a look at the top games like DG2: Defense Grid 2 that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Stellaris

Similarity 51% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played game like DG2: Defense Grid 2, thanks to its 15,712 peak concurrent players over the last day.
8.5
159,527
25,906

15,712
players

2. Bloons TD 6

Similarity 64% The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available. Bloons TD 6 is a tower defense, strategy and multiplayer game developed and published by Ninja Kiwi. Released on December 17th 2018 has received 353,960 reviews of which 344,269 were positive and 9,691 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 9,320 players online at once in the last 24 hours, this game is currently ranked #2 among games like DG2: Defense Grid 2 based on player count.
9.6
344,269
9,691

9,320
players

3. STAR WARS™ Empire at War - Gold Pack

Similarity 56% 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. While seeing 3,114 players online at once in the last 24 hours, this game is currently ranked #3 among games like DG2: Defense Grid 2 based on player count.
9.6
38,503
932

3,114
players

4. FTL: Faster Than Light

Similarity 61% This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat. FTL: Faster Than Light is a rogue-like, space and strategy game developed and published by Subset Games. Released on September 14th 2012 has received 75,052 reviews of which 71,561 were positive and 3,491 were negative resulting in an impressive rating of 9.4 out of 10. With 1,408 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like DG2: Defense Grid 2.
9.4
71,561
3,491

1,408
players

5. Supreme Commander: Forged Alliance

Similarity 55% 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 915 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like DG2: Defense Grid 2.
9.4
13,042
426

915
players

6. Plague Inc: Evolved

Similarity 49% 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. Plague Inc: Evolved is a strategy, simulation and outbreak sim game developed and published by Ndemic Creations. Released on February 18th 2016 has received 55,664 reviews of which 52,571 were positive and 3,093 were negative resulting in an impressive rating of 9.3 out of 10. With 914 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like DG2: Defense Grid 2.
9.3
52,571
3,093

914
players

7. Sins of a Solar Empire II

Similarity 56% Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics. Sins of a Solar Empire II is a space, strategy and 4x game developed by Stardock Entertainment and Ironclad Games Corporation and published by Stardock Entertainment. Released on August 15th 2024 has received 6,946 reviews of which 5,949 were positive and 997 were negative resulting in a rating of 8.3 out of 10. With 834 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like DG2: Defense Grid 2.
8.3
5,949
997

834
players

8. Legion TD 2 - Multiplayer Tower Defense

Similarity 52% An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players. Legion TD 2 - Multiplayer Tower Defense is a tower defense, multiplayer and auto battler game developed and published by AutoAttack Games. Released on October 01st 2021 has received 13,550 reviews of which 11,713 were positive and 1,837 were negative resulting in a rating of 8.4 out of 10. With 796 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like DG2: Defense Grid 2.
8.4
11,713
1,837

796
players

9. Mindustry

Similarity 48% An open-ended factory management game with RTS and tower defense elements. Mindustry is a base-building, resource management and tower defense game developed and published by AnukenDev. Released on September 26th 2019 has received 22,266 reviews of which 21,329 were positive and 937 were negative resulting in an impressive rating of 9.4 out of 10. With 582 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like DG2: Defense Grid 2.
9.4
21,329
937

582
players

10. Cosmoteer: Starship Architect & Commander

Similarity 61% Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars! Cosmoteer: Starship Architect & Commander is a sci-fi, singleplayer and 2d game developed and published by Walternate Realities. Released on October 24th 2022 has received 11,171 reviews of which 10,618 were positive and 553 were negative resulting in an impressive rating of 9.2 out of 10. With 536 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like DG2: Defense Grid 2.
9.2
10,618
553

536
players

Best deals on games like DG2: Defense Grid 2 on Steam

Discover fantastic savings with the best discounts on a variety of games like DG2: Defense Grid 2 available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like DG2: Defense Grid 2.

1. EarthX

Similarity 52% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like DG2: Defense Grid 2.
8.3
769
106

-99% 19.99€ 0.29€

2. Battlestar Galactica Deadlock

Similarity 52% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like DG2: Defense Grid 2.
8.1
2,906
554

-99% 38.99€ 0.44€

3. Interstellar Space: Genesis

Similarity 62% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like DG2: Defense Grid 2.
7.9
648
124

-99% 27.99€ 0.45€

4. Homeworld: Deserts of Kharak

Similarity 53% 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. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like DG2: Defense Grid 2.
7.8
6,789
1,730

-99% 45.99€ 0.88€

5. Aven Colony

Similarity 50% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like DG2: Defense Grid 2.
7.1
1,921
717

-99% 29.99€ 0.47€

6. HERO DEFENSE

Similarity 77% 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. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like DG2: Defense Grid 2.
6.1
471
276

-99% 29.99€ 0.56€

7. X-Morph: Defense

Similarity 72% Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle. X-Morph: Defense is a tower defense, strategy and action game developed by and published by Exor Studios. Released on August 30th 2017 has received 3,823 reviews of which 3,506 were positive and 317 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like DG2: Defense Grid 2.
8.8
3,506
317

-98% 19.99€ 0.54€

8. BattleGroupVR

Similarity 49% BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like DG2: Defense Grid 2.
8.7
834
68

-98% 20.99€ 0.42€

9. Go Home Dinosaurs!

Similarity 56% Todd Rex wants steak. Todd Rex wants YOUR steak. Are you gonna let him take it? No way! Go Home, Dinosaurs!Prevent hordes of marauding Dinos from crashing your party in the world’s premier BBQ defense simulator! Unlock powerful towers that act like little weaponized puzzle pieces. Go Home Dinosaurs! is a tower defense, casual and strategy game developed and published by Fire Hose Games. Released on March 14th 2013 has received 600 reviews of which 524 were positive and 76 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like DG2: Defense Grid 2.
8.2
524
76

-98% 9.75€ 0.29€

10. Deathtrap

Similarity 62% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,194 reviews of which 1,842 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like DG2: Defense Grid 2.
8.1
1,842
352

-98% 19.99€ 0.49€

Free games like DG2: Defense Grid 2 on Steam

Check out this fantastic list of free-to-play games like DG2: Defense Grid 2 you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like DG2: Defense Grid 2.

1. Bloons TD Battles 2

Similarity 51% From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. With 535 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like DG2: Defense Grid 2.
8.3
27,193
5,127

535
players

2. The Perfect Tower II

Similarity 50% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 530, this game has secured the #2 spot in the ranking of free games like DG2: Defense Grid 2.
8.5
3,201
438

530
players

3. Bloons TD Battles

Similarity 51% Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,096 reviews of which 26,414 were positive and 2,682 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 261, this game has secured the #3 spot in the ranking of free games like DG2: Defense Grid 2.
8.9
26,414
2,682

261
players

4. Star Trek Timelines

Similarity 47% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. Attracting a solid base of 171 players due to its free access, this strategy game has achieved the #4 position in the best free games like DG2: Defense Grid 2.
6.4
938
492

171
players

5. Ninja Kiwi Archive

Similarity 52% Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD. Ninja Kiwi Archive is a casual, arcade and strategy game developed and published by Ninja Kiwi. Released on July 08th 2020 has received 5,439 reviews of which 5,107 were positive and 332 were negative resulting in an impressive rating of 9.1 out of 10. Attracting a solid base of 163 players due to its free access, this strategy game has achieved the #5 position in the best free games like DG2: Defense Grid 2.
9.1
5,107
332

163
players

6. Zero-K

Similarity 49% 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. Attracting a solid base of 141 players due to its free access, this strategy game has achieved the #6 position in the best free games like DG2: Defense Grid 2.
9.0
3,678
244

141
players

7. Pixel Starships

Similarity 47% Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 125 players due to its free access, this strategy game has achieved the #7 position in the best free games like DG2: Defense Grid 2.
7.1
2,008
724

125
players

8. Hades' Star

Similarity 47% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #8 spot among the most played free games like DG2: Defense Grid 2.
7.1
1,874
703

91
players

9. Bloons Adventure Time TD

Similarity 49% Defend Ooo from the Bloon invasion in this epic tower defense crossover. Bloons Adventure Time TD is a strategy, action and tower defense game developed and published by Ninja Kiwi. Released on January 16th 2019 has received 4,302 reviews of which 3,743 were positive and 559 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #9 spot among the most played free games like DG2: Defense Grid 2.
8.4
3,743
559

80
players

10. Battle Islands

Similarity 47% Battle friends over air, land and sea in this epic WW2-themed battle strategy game. Battle Islands is a strategy, free to play and multiplayer game developed by DR Studios and published by 505 Games. Released on August 06th 2014 has received 3,426 reviews of which 2,604 were positive and 822 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #10 spot among the most played free games like DG2: Defense Grid 2.
7.4
2,604
822

20
players