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.
Midnight Ghost Hunt
The chaotic multiplayer hide-and-seek game. Possess seemingly harmless objects as Ghosts or chase them down as Hunters before the clock strikes midnight!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.Call 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.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.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.Meet Your Maker
Meet Your Maker is a building game of brutal expression and conquest. Unleash your inner evil genius in co-op or single-player to build the ultimate fortress of devious deathtraps, or take on those built by others in a high-stakes heist to steal resources essential for your survival.Depth
Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.Killing Floor 2
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.Men of War: Vietnam
The critically acclaimed series returns! Experience Vietnam from both sides of the war.Starship Troopers: Extermination
Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!Crime Boss: Rockay City
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.Perfect Heist 2
Perfect Heist 2 is a round-based online game, where robbers try to hide in plain sight while robbing a bank without being noticed by the cop team!Men of War II
Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.Sniper Elite: Nazi Zombie Army 2
** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Experience a terrifyingly intense co-op campaign for up to four players in this gut-wrenching sequel to Steam best-seller, Sniper Elite: Nazi Zombie Army.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 4,472 reviews of which 3,888 were positive and 584 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.