Games like DEFCON on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like DEFCON are available at the bottom of the page.
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Tom Clancy's Rainbow Six® Vegas 2
Tom Clancy's Rainbow Six® Vegas 2 - the sequel to the award-winning next-generation first-person shooter - returns to Sin City. Tom Clancy's Rainbow Six Vegas 2 is your last chance to rescue America's sexiest city from an escalating terrorist siege that will force you into heart-pounding action from beginning to end.Most played games like DEFCON on Steam
Take a look at the top games like DEFCON that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Counter-Strike 2
Similarity 57% For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2. Counter-Strike 2 is a fps, shooter and multiplayer game developed and published by Valve. Released on August 21st 2012 has received 8,706,045 reviews of which 7,555,742 were positive and 1,150,303 were negative resulting in a rating of 8.7 out of 10. The game has hit the top spot as the #1 most played game like DEFCON, thanks to its 886,832 peak concurrent players over the last day.
8.7
7,555,742
1,150,303
886,832
players
2. Dota 2
Similarity 51% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,466,311 reviews of which 2,010,666 were positive and 455,645 were negative resulting in a rating of 8.1 out of 10. While seeing 379,977 players online at once in the last 24 hours, this game is currently ranked #2 among games like DEFCON based on player count.
8.1
2,010,666
455,645
379,977
players
3. Tom Clancy's Rainbow Six® Siege
Similarity 57% Tom Clancy's Rainbow Six® Siege is an elite, tactical team-based shooter where superior planning and execution triumph. Tom Clancy's Rainbow Six® Siege is a fps, pvp and e-sports game developed by Ubisoft Montreal and published by Ubisoft. Released on December 01st 2015 has received 1,385,109 reviews of which 1,163,286 were positive and 221,823 were negative resulting in a rating of 8.4 out of 10. While seeing 74,031 players online at once in the last 24 hours, this game is currently ranked #3 among games like DEFCON based on player count.
8.4
1,163,286
221,823
74,031
players
4. Delta Force
Similarity 54% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 98,110 reviews of which 64,093 were positive and 34,017 were negative resulting in a rating of 6.5 out of 10. With 27,648 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like DEFCON.
6.5
64,093
34,017
27,648
players
5. Total War: WARHAMMER III
Similarity 58% The cataclysmic conclusion to the Total War: WARHAMMER trilogy is here. Rally your forces and step into the Realm of Chaos, a dimension of mind-bending horror where the very fate of the world will be decided. Will you conquer your Daemons… or command them? Total War: WARHAMMER III is a strategy, turn-based strategy and grand strategy game developed by Creative Assembly and Feral Interactive and published by Feral Interactive and SEGA. Released on February 16th 2022 has received 117,985 reviews of which 85,271 were positive and 32,714 were negative resulting in a rating of 7.2 out of 10. With 22,387 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like DEFCON.
7.2
85,271
32,714
22,387
players
6. Age of Empires II: Definitive Edition
Similarity 52% 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 159,608 reviews of which 151,527 were positive and 8,081 were negative resulting in an impressive rating of 9.4 out of 10. With 19,966 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like DEFCON.
9.4
151,527
8,081
19,966
players
7. Arma Reforger
Similarity 50% Experience authentic Cold War combat and join the struggle for the sprawling, mid-Atlantic island of Everon and its smaller, offshore territory, Arland – or take on the role of Game Master and create your very own scenarios for others to enjoy. Arma Reforger is a military, simulation and action game developed and published by Bohemia Interactive. Released on November 16th 2023 has received 27,305 reviews of which 20,433 were positive and 6,872 were negative resulting in a rating of 7.4 out of 10. With 14,556 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like DEFCON.
7.4
20,433
6,872
14,556
players
8. Arma 3
Similarity 52% Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war. Arma 3 is a military, action and multiplayer game developed and published by Bohemia Interactive. Released on September 12th 2013 has received 281,552 reviews of which 254,591 were positive and 26,961 were negative resulting in a rating of 9.0 out of 10. With 10,166 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like DEFCON.
9.0
254,591
26,961
10,166
players
9. Age of Empires IV: Anniversary Edition
Similarity 50% 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 78,584 reviews of which 67,670 were positive and 10,914 were negative resulting in a rating of 8.5 out of 10. With 9,669 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like DEFCON.
8.5
67,670
10,914
9,669
players
10. 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 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 4,144 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like DEFCON.
8.3
40,165
7,346
4,144
players
Best deals on games like DEFCON on Steam
Discover fantastic savings with the best discounts on a variety of games like DEFCON available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like DEFCON.
1. Warhammer 40,000: Gladius - Relics of War
Similarity 53% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,157 reviews of which 11,503 were positive and 2,654 were negative resulting in a rating of 8.0 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like DEFCON.
8.0
11,503
2,654
-95%
42.80€
2.14€
2. Old World
Similarity 52% Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,485 reviews of which 3,679 were positive and 806 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like DEFCON.
8.0
3,679
806
-95%
39.80€
1.99€
3. Ashes of the Singularity: Escalation
Similarity 54% A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat. Ashes of the Singularity: Escalation is a rts, base-building and pvp game developed by Stardock Entertainment and Oxide Games and published by Stardock Entertainment. Released on November 10th 2016 has received 4,742 reviews of which 3,530 were positive and 1,212 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like DEFCON.
7.3
3,530
1,212
-94%
29.17€
1.75€
4. I am not a Monster: First Contact
Similarity 55% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like DEFCON.
7.4
965
290
-91%
11.11€
1.00€
5. Sniper Ghost Warrior 3
Similarity 52% Go behind enemy lines with the ultimate modern military shooter. Play as an American sniper dropped in Georgia, near Russian border. Choose your own path to accomplish your missions across an unforgiving open world. Sniper Ghost Warrior 3 is a sniper, open world and multiplayer game developed and published by CI Games. Released on April 24th 2017 has received 18,388 reviews of which 12,266 were positive and 6,122 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like DEFCON.
6.6
12,266
6,122
-91%
19.56€
1.76€
6. Worms Reloaded
Similarity 51% Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam. Worms Reloaded is a strategy, 2d and turn-based game developed and published by Team17 Digital Ltd. Released on August 26th 2010 has received 4,853 reviews of which 4,218 were positive and 635 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like DEFCON.
8.4
4,218
635
-90%
20.00€
2.00€
7. Men of War: Assault Squad 2
Similarity 51% Men of War: Assault Squad 2 features new single player style skirmish modes that take players from extreme tank combat to deadly sniper stealth missions. Commanders can now faceoff against opponents on various new multiplayer 1v1 – 8v8 maps. Men of War: Assault Squad 2 is a strategy, world war ii and war game developed by Digitalmindsoft and published by Fulqrum Publishing. Released on May 15th 2014 has received 44,031 reviews of which 40,178 were positive and 3,853 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 89% discount, this title has earned the #7 position in the best deals for games like DEFCON.
9.0
40,178
3,853
-89%
31.00€
3.41€
8. Day of Infamy
Similarity 53% Experience close-quarters battles in iconic WWII settings. Defend the line, storm the beach, torch the enemy, or use a radio to call in fire support. Day of Infamy is a teamwork-oriented shooter that will keep you on your toes and coming back for more with its diverse game modes and authentic arsenal. Day of Infamy is a world war ii, fps and multiplayer game developed and published by New World Interactive. Released on March 23rd 2017 has received 22,061 reviews of which 18,187 were positive and 3,874 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 89% discount, this title has earned the #8 position in the best deals for games like DEFCON.
8.1
18,187
3,874
-89%
12.64€
1.39€
9. Company of Heroes 2
Similarity 56% 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 109,417 reviews of which 86,397 were positive and 23,020 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 88% discount, this title has earned the #9 position in the best deals for games like DEFCON.
7.8
86,397
23,020
-88%
19.50€
2.34€
10. Sniper: Ghost Warrior 2
Similarity 56% Sniper: Ghost Warrior 2 takes the bulls-eye precision of its predecessor to new and exciting heights! Sniper: Ghost Warrior 2 is a sniper, action and fps game developed by City Interactive and published by CI Games. Released on March 11th 2013 has received 17,865 reviews of which 13,489 were positive and 4,376 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 88% discount, this title has earned the #10 position in the best deals for games like DEFCON.
7.4
13,489
4,376
-88%
9.83€
1.18€
Free games like DEFCON on Steam
Check out this fantastic list of free-to-play games like DEFCON you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like DEFCON.
1. Counter-Strike 2
Similarity 57% For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2. Counter-Strike 2 is a fps, shooter and multiplayer game developed and published by Valve. Released on August 21st 2012 has received 8,706,045 reviews of which 7,555,742 were positive and 1,150,303 were negative resulting in a rating of 8.7 out of 10. With 886,832 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like DEFCON.
8.7
7,555,742
1,150,303
886,832
players
2. Dota 2
Similarity 51% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,466,311 reviews of which 2,010,666 were positive and 455,645 were negative resulting in a rating of 8.1 out of 10. Thanks to its free to play tag and a daily player base of 379,977, this game has secured the #2 spot in the ranking of free games like DEFCON.
8.1
2,010,666
455,645
379,977
players
3. Delta Force
Similarity 54% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 98,110 reviews of which 64,093 were positive and 34,017 were negative resulting in a rating of 6.5 out of 10. Thanks to its free to play tag and a daily player base of 27,648, this game has secured the #3 spot in the ranking of free games like DEFCON.
6.5
64,093
34,017
27,648
players
4. 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 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. Attracting a solid base of 4,144 players due to its free access, this strategy game has achieved the #4 position in the best free games like DEFCON.
8.3
40,165
7,346
4,144
players
5. Star Trek Online
Similarity 55% In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,017 reviews of which 15,828 were positive and 4,189 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 1,200 players due to its free access, this strategy game has achieved the #5 position in the best free games like DEFCON.
7.8
15,828
4,189
1,200
players
6. War Selection
Similarity 62% 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 21,670 reviews of which 18,620 were positive and 3,050 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 588 players due to its free access, this strategy game has achieved the #6 position in the best free games like DEFCON.
8.4
18,620
3,050
588
players
7. Viking Rise: Valhalla
Similarity 58% Race against other players to explore Valhalla and conquer Midgard! Viking Rise: Valhalla is a strategy, rpg and 4x game developed and published by IGG SINGAPORE PTE. LTD.. Released on May 21st 2024 has received 504 reviews of which 373 were positive and 131 were negative resulting in a rating of 7.0 out of 10. Attracting a solid base of 447 players due to its free access, this strategy game has achieved the #7 position in the best free games like DEFCON.
7.0
373
131
447
players
8. Supremacy 1914: World War 1
Similarity 57% Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge alliances and build up your economy in real-time on persistent maps. Build experimental weapons of World War 1 and become the one true superpower! Supremacy 1914: World War 1 is a strategy, free to play and war game developed and published by Bytro Labs GmbH. Released on July 16th 2019 has received 3,781 reviews of which 2,833 were positive and 948 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 361 players due to its free access, this strategy game has achieved the #8 position in the best free games like DEFCON.
7.3
2,833
948
361
players
9. Call of War: World War 2
Similarity 57% Take over the control of one of the mighty nations during the times of World War 2 in this persisting long-term strategy game. Conquer provinces, forge alliances and build up your economy in real-time. Research top secret weapons of World War 2 and become the one true superpower! Call of War: World War 2 is a strategy, free to play and world war ii game developed and published by Bytro Labs GmbH. Released on October 21st 2017 has received 5,737 reviews of which 4,099 were positive and 1,638 were negative resulting in a rating of 7.0 out of 10. Attracting a solid base of 320 players due to its free access, this strategy game has achieved the #9 position in the best free games like DEFCON.
7.0
4,099
1,638
320
players
10. Black Squad
Similarity 52% Black Squad is a free-to-play military first-person-shooter. Players can master their skills and show off their strategies with a wide range of game maps, modes, and weapons to choose from. Join thousands of FPS players worldwide in one of the most played games on Steam! Black Squad is a free to play, fps and shooter game developed by VALOFE and NS STUDIO and published by VALOFE. Released on June 26th 2019 has received 81,712 reviews of which 62,058 were positive and 19,654 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 285 players due to its free access, this strategy game has achieved the #10 position in the best free games like DEFCON.
7.5
62,058
19,654
285
players