Games like Day of Defeat: Source on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Day of Defeat: Source are available at the bottom of the page.
Call to Arms - Gates of Hell: Ostfront
Call to Arms - Gates of Hell is a realistic RTS/ RTT game that offers endless replay value. Command all types of troops in historical singleplayer, dynamic campaign, PvP and PvE battles. Are you ready for some serious immersion in World War 2?WARMODE
Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.War Thunder
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.Rogue Company
Join 20+ million players in Rogue Company, the ultimate third-person tactical action shooter! Become an agent of Rogue Company and wield powerful weapons, high-tech gadgets, and game-changing abilities. Accept the mission and jump into a variety of 4v4 and 6v6 game modes. Play FREE today!Empires Mod
Unique strategy/first person shooter mix: One commander on each team plays from above, choosing research, placing buildings and giving orders. The rest fill the role of soldiers on the ground, with four distinct classes to choose from and customizable vehicles to drive.Left 4 Dead
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.E.E.R.I.E2
E.E.R.I.E 2 is a tactical shooting game. In the modern Gensokyo, play the role of fairy Luna, and uses a variety of modern light weapons and tactical equipment to join in a war that decides the fate of Gensokyo.Marauders
Marauders is a tactical first-person multiplayer looter shooter set in a sci-fi universe. As a space pirate, work solo, or in a squad with up to 3 other players to navigate a hostile battleground, hunt for loot, craft new weapons and gear, and salvage what you’ll need to survive.Battle Grounds III
After 6 years of development, Battle Grounds III (BG3) is the next iteration in the classic franchise which began 17 years ago. Prepare for battle in the American War of Independence!BattleRush
Free-to-play multiplayer action game in the entourage of the Second World War with total destructibility of the environment. Enjoy full freedom, build a defense, create your army, crush the enemy.CityBattle | Virtual Earth
CityBattle - Thousands of cities fighting for dominance. Join the army of your Virtual City in the MMO F2P shooter using Unreal Engine 4.Halo Wars: Definitive Edition
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.Chivalry: Medieval Warfare
Besiege castles and raid villages in Chivalry: Medieval Warfare, a fast-paced medieval first person slasher with a focus on multiplayer battlesCall of Juarez: Bound in Blood
THE OLD WEST, 1864. In order to save their family, the McCall brothers will kill anyone who stands between them and the legendary Gold of Juarez.World of Shooting
A first-person shooting sports sim from the developers of World of Guns. Collect hundreds of realistic firearms and accessories, beat practical shooting and tactical training campaigns, set global high scores, and build your own ranges!Unity of Command II
Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.Wolfenstein II: The New Colossus
America, 1961. The assassination of Nazi General Deathshead was a short-lived victory. The Nazis maintain their stranglehold on the world. You are BJ Blazkowicz, aka “Terror-Billy,” member of the Resistance, scourge of the Nazi empire, and humanity’s last hope for liberty.Hearts of Iron IV
Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.Nuclear Dawn
Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.Most played games like Day of Defeat: Source on Steam
Take a look at the top games like Day of Defeat: Source that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Counter-Strike 2
Similarity 71% 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 Day of Defeat: Source, thanks to its 886,832 peak concurrent players over the last day.2. Tom Clancy's Rainbow Six® Siege
Similarity 71% 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 #2 among games like Day of Defeat: Source based on player count.3. Crosshair X
Similarity 50% Overlay custom crosshairs on every game you play. Choose from thousands of unique crosshairs created by the Crosshair X community or design your own using the designer. Crosshair X is a action, indie and adventure game developed and published by CenterPoint Gaming. Released on August 17th 2020 has received 29,612 reviews of which 27,646 were positive and 1,966 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 47,838 players online at once in the last 24 hours, this game is currently ranked #3 among games like Day of Defeat: Source based on player count.4. War Thunder
Similarity 53% War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea. War Thunder is a free to play, simulation and vehicular combat game developed by Gaijin Entertainment and published by Gaijin Network Ltd. Released on August 15th 2013 has received 743,117 reviews of which 473,366 were positive and 269,751 were negative resulting in a rating of 6.4 out of 10. With 46,620 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Day of Defeat: Source.5. Team Fortress 2
Similarity 57% Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats! Team Fortress 2 is a free to play, hero shooter and multiplayer game developed and published by Valve. Released on October 10th 2007 has received 1,151,067 reviews of which 1,031,715 were positive and 119,352 were negative resulting in a rating of 8.9 out of 10. With 45,884 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Day of Defeat: Source.6. Hearts of Iron IV
Similarity 51% Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. Hearts of Iron IV is a strategy, world war ii and grand strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on June 06th 2016 has received 337,250 reviews of which 300,980 were positive and 36,270 were negative resulting in a rating of 8.8 out of 10. With 33,646 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Day of Defeat: Source.7. Left 4 Dead 2
Similarity 55% Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns. Left 4 Dead 2 is a zombies, co-op and fps game developed and published by Valve. Released on November 16th 2009 has received 952,732 reviews of which 929,269 were positive and 23,463 were negative resulting in an impressive rating of 9.7 out of 10. With 28,692 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Day of Defeat: Source.8. Delta Force
Similarity 56% 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 #8 spot among the most played games like Day of Defeat: Source.9. PAYDAY 2
Similarity 55% PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree. PAYDAY 2 is a co-op, action and fps game developed by OVERKILL - a Starbreeze Studio. and published by Starbreeze Publishing AB. Released on August 13th 2013 has received 662,674 reviews of which 593,923 were positive and 68,751 were negative resulting in a rating of 8.9 out of 10. With 22,417 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Day of Defeat: Source.10. Arma Reforger
Similarity 63% 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 #10 spot among the most played games like Day of Defeat: Source.Best deals on games like Day of Defeat: Source on Steam
Discover fantastic savings with the best discounts on a variety of games like Day of Defeat: Source 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 Day of Defeat: Source.
1. Killing Floor 2
Similarity 51% In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem. Killing Floor 2 is a zombies, multiplayer and online co-op game developed and published by Tripwire Interactive. Released on November 18th 2016 has received 126,438 reviews of which 110,946 were positive and 15,492 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 92% discount, this game currently holds the #1 spot in the best deals for games like Day of Defeat: Source.2. Crime Boss: Rockay City
Similarity 50% Crime Boss: Rockay City is a 1-4 player co-op FPS heist game with enjoyable stealth and epic killing spree combat. Featuring a solo roguelike campaign that combines FPS and strategy elements with the most hilariously cheesy voice acting that make you laugh. Crime Boss: Rockay City is a action, shooter and fps game developed by INGAME STUDIOS and published by 505 Games. Released on June 18th 2024 has received 6,553 reviews of which 4,625 were positive and 1,928 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 92% discount, this game is now the #2 best deal in games like Day of Defeat: Source.3. Zombie Army Trilogy
Similarity 58% The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2. Zombie Army Trilogy is a zombies, action and co-op game developed and published by Rebellion. Released on March 06th 2015 has received 17,532 reviews of which 15,174 were positive and 2,358 were negative resulting in a rating of 8.5 out of 10. Thanks to its incredible 91% discount, this game is now the #3 best deal in games like Day of Defeat: Source.4. Unity of Command II
Similarity 51% Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games. Unity of Command II is a strategy, world war ii and simulation game developed by 2x2 Games and Croteam and published by 2x2 Games. Released on November 12th 2019 has received 1,874 reviews of which 1,513 were positive and 361 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like Day of Defeat: Source.5. Sniper Elite 4
Similarity 64% Discover unrivalled sniping freedom in the largest and most advanced World War 2 shooter ever built. Experience tactical third-person combat, gameplay choice and epic longshots across gigantic levels as you liberate wartime Italy from the grip of Fascism. Sniper Elite 4 is a sniper, action and multiplayer game developed and published by Rebellion. Released on February 13th 2017 has received 58,808 reviews of which 53,614 were positive and 5,194 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 90% discount, this title has earned the #5 position in the best deals for games like Day of Defeat: Source.6. Hidden & Dangerous 2: Courage Under Fire
Similarity 72% Hidden & Dangerous 2 is a first and third person tactical shooter that builds upon the tremendous success of Hidden & Dangerous. You lead a small squad of Allied soldiers deep behind enemy lines, to carry out secret missions during World War II. Hidden & Dangerous 2: Courage Under Fire is a action, strategy and fps game developed by Illusion Softworks and published by 2K. Released on December 20th 2017 has received 862 reviews of which 821 were positive and 41 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Day of Defeat: Source.7. Crime Boss: Rockay City
Similarity 50% Crime Boss: Rockay City is a 1-4 player co-op FPS heist game with enjoyable stealth and epic killing spree combat. Featuring a solo roguelike campaign that combines FPS and strategy elements with the most hilariously cheesy voice acting that make you laugh. Crime Boss: Rockay City is a game developed and published by . Released on June 18th 2024 has received 6,553 reviews of which 4,625 were positive and 1,928 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for games like Day of Defeat: Source.8. Enemy Front
Similarity 75% ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style. Enemy Front is a action, fps and world war ii game developed and published by CI Games. Released on June 10th 2014 has received 5,427 reviews of which 3,596 were positive and 1,831 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like Day of Defeat: Source.9. Men of War: Assault Squad 2
Similarity 59% 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 #9 position in the best deals for games like Day of Defeat: Source.10. Call of Juarez: Bound in Blood
Similarity 52% THE OLD WEST, 1864. In order to save their family, the McCall brothers will kill anyone who stands between them and the legendary Gold of Juarez. Call of Juarez: Bound in Blood is a western, action and fps game developed by Techland and published by Techland Publishing. Released on July 02nd 2009 has received 4,480 reviews of which 3,897 were positive and 583 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 89% discount, this title has earned the #10 position in the best deals for games like Day of Defeat: Source.Free games like Day of Defeat: Source on Steam
Check out this fantastic list of free-to-play games like Day of Defeat: Source 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 Day of Defeat: Source.