Games like IS Defense on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like IS Defense are available at the bottom of the page.
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PERISH
PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.
Prodeus
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
Contractors
Contractors is a team-based competitive multiplayer shooter game for virtual reality devices. Experience the next level virtual warfare with hardcore controls, lethal weapons, customizable load-outs, and intense firefights. BECOME AN OPERATOR.
Bright Memory
Bright Memory is a lightning-fast fusion of the FPS and action genres, created by one-man development studio FYQD using Unreal Engine. Combine a wide variety of skills and abilities to unleash dazzling combo attacks.
The Walking Dead: Saints & Sinners
Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead.
FROSTBITE: Deadly Climate
Survive the arctic research base simply known as Base 75, or die from the freezing cold or by the horrors that lurk within the halls?
The Slater
Get ready to kill drug dealers, crime bosses and anyone who stands in your way as you seek revenge for your father’s murder. The Slater is a story-driven first-person stealth-action-puzzle game that puts you in the shoes of a former cop Mark Slater.
Void Bastards
Inspired by BioShock and System Shock 2, Void Bastards is a revolutionary new strategy-shooter that will test your wits as well as exercise your aim. Can you lead the misfit prisoners of the Void Ark through the derelict spaceships and myriad dangers of the Sargasso Nebula?
Maximum Action
MAXIMUM Action is a brutal and satisfying physics-based first person shooter influenced by Hong Kong cinema, heroic slow motion bloodshed, and old-school FPS ACTION.
Hellbound: Survival Mode
FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!
Contagion VR: Outbreak
Contagion VR: Outbreak will immerse you into the middle of a zombie apocalypse. Relive stories of the survivors in the Single Player campaign, take your time in Free Roam, or check out the Firing Range!
Perilous Warp
Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!
This Strange Realm Of Mine
This Strange Realm Of Mine is a First Person Shooter mixed with poetry and psychological horror. Graphic style is 3D mixed with pixel art.
Dead Effect 2 VR
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.
Sword With Sauce
Sword With Sauce is a fast-paced stealth-action game where you pick weapons, gadgets, and a playstyle to eliminate enemies. Go in loud or stay unseen—it's your choice.
BRAIN / OUT
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!
Serious Sam Fusion 2017 (beta)
Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!
Ion Fury
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, are excited to team up with Voidpoint to bring back the legendary Build Engine, famously known for classic first-person shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Ion Fury is the real deal!
Most played games like IS Defense on Steam
Take a look at the top games like IS Defense that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Battlefield™ 1
Similarity 71% Battlefield™ 1 takes you back to The Great War, WW1, where new technology and worldwide conflict changed the face of warfare forever. Battlefield™ 1 is a fps, multiplayer and singleplayer game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 186,573 reviews of which 161,403 were positive and 25,170 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like IS Defense, thanks to its 6,368 peak concurrent players over the last day.
8.6
161,403
25,170
6,368
players
2. Hell Let Loose
Similarity 89% Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game. Hell Let Loose is a shooter, realistic and world war ii game developed and published by Team17. Released on July 27th 2021 has received 136,525 reviews of which 112,491 were positive and 24,034 were negative resulting in a rating of 8.2 out of 10. While seeing 5,502 players online at once in the last 24 hours, this game is currently ranked #2 among games like IS Defense based on player count.
8.2
112,491
24,034
5,502
players
3. Battlefield™ V
Similarity 71% This is the ultimate Battlefield V experience. Enter mankind’s greatest conflict with the complete arsenal of weapons, vehicles, and gadgets plus the best customization content of Year 1 and 2. Battlefield™ V is a fps, multiplayer and singleplayer game developed by DICE and published by Electronic Arts. Released on October 22nd 2020 has received 246,844 reviews of which 174,995 were positive and 71,849 were negative resulting in a rating of 7.0 out of 10. While seeing 2,870 players online at once in the last 24 hours, this game is currently ranked #3 among games like IS Defense based on player count.
7.0
174,995
71,849
2,870
players
4. Insurgency: Sandstorm
Similarity 84% Insurgency: Sandstorm is a team-based, tactical FPS based on lethal close quarters combat and objective-oriented multiplayer gameplay. Experience the intensity of modern combat where skill is rewarded, and teamwork wins the fight. Insurgency: Sandstorm is a fps, realistic and shooter game developed by New World Interactive and published by Focus Entertainment. Released on December 12th 2018 has received 125,687 reviews of which 106,855 were positive and 18,832 were negative resulting in a rating of 8.4 out of 10. With 2,178 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like IS Defense.
8.4
106,855
18,832
2,178
players
5. Battlefield 4™
Similarity 71% Embrace unrivaled destruction in Battlefield 4™. Revel in the glorious chaos of all-out war packed with rewarding, tactical challenges in an interactive environment. Battlefield 4™ is a multiplayer, fps and singleplayer game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 69,533 reviews of which 59,367 were positive and 10,166 were negative resulting in a rating of 8.4 out of 10. With 1,655 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like IS Defense.
8.4
59,367
10,166
1,655
players
6. Ravenfield
Similarity 73% Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics! Ravenfield is a fps, war and singleplayer game developed and published by SteelRaven7. Released on May 18th 2017 has received 72,665 reviews of which 70,429 were positive and 2,236 were negative resulting in an impressive rating of 9.5 out of 10. With 1,193 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like IS Defense.
9.5
70,429
2,236
1,193
players
7. Call of Duty®: Modern Warfare®
Similarity 71% Experience a visceral Campaign or assemble your team in the ultimate online playground with multiple Special Ops challenges and a mix of Multiplayer maps and modes. Call of Duty®: Modern Warfare® is a action, singleplayer and fps game developed by Infinity Ward, Beenox, High Moon Studios and Raven Software and published by Activision. Released on March 08th 2023 has received 20,098 reviews of which 15,914 were positive and 4,184 were negative resulting in a rating of 7.8 out of 10. With 929 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like IS Defense.
7.8
15,914
4,184
929
players
8. Call of Duty®: Black Ops Cold War
Similarity 71% Black Ops Cold War, the direct sequel to Call of Duty®: Black Ops, will drop fans into the depths of the Cold War’s volatile geopolitical battle of the early 1980s. Call of Duty®: Black Ops Cold War is a singleplayer, action and multiplayer game developed by Treyarch, Raven Software, High Moon Studios, Beenox, Activision Shanghai and Sledgehammer Games and published by Activision. Released on March 08th 2023 has received 19,218 reviews of which 15,423 were positive and 3,795 were negative resulting in a rating of 7.9 out of 10. With 692 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like IS Defense.
7.9
15,423
3,795
692
players
9. Sniper Elite 4
Similarity 71% 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. With 615 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like IS Defense.
9.0
53,614
5,194
615
players
10. MechWarrior Online™ Legends
Similarity 71% MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere. MechWarrior Online™ Legends is a free to play, mechs and multiplayer game developed and published by Piranha Games Inc.. Released on December 10th 2015 has received 12,139 reviews of which 9,726 were positive and 2,413 were negative resulting in a rating of 7.8 out of 10. With 571 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like IS Defense.
7.8
9,726
2,413
571
players
Best deals on games like IS Defense on Steam
Discover fantastic savings with the best discounts on a variety of games like IS Defense 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 IS Defense.
1. Prodeus
Similarity 80% Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware. Prodeus is a boomer shooter, fps and retro game developed by Bounding Box Software Inc. and published by Humble Games. Released on September 23rd 2022 has received 7,436 reviews of which 6,913 were positive and 523 were negative resulting in an impressive rating of 9 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like IS Defense.
9
6,913
523
-95%
25.00€
1.25€
2. Ad Infinitum
Similarity 73% When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity? Ad Infinitum is a horror, action and psychological horror game developed by Hekate and published by Nacon. Released on September 14th 2023 has received 863 reviews of which 695 were positive and 168 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like IS Defense.
7.7
695
168
-94%
35.50€
2.13€
3. Colt Canyon
Similarity 71% Shoot your way through a hostile canyon full of hidden treasures, weapons, obstacles and all kinds of bloodthirsty scum! Colt Canyon is a stylish pixel art shooter with roguelike elements and real-time combat where you save your kidnapped partner from the ruthless bandits. Colt Canyon is a western, blood and action roguelike game developed by Retrific and published by Headup. Released on June 16th 2020 has received 1,649 reviews of which 1,461 were positive and 188 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like IS Defense.
8.4
1,461
188
-93%
14.29€
1.00€
4. The Hong Kong Massacre
Similarity 71% Blast your way through the streets of Hong Kong in a fast-paced, top-down shooter. Inspired by classic action movies, The Hong Kong Massacre places you at the center of a hard-boiled revenge story, filled with brutal, cinematic shootouts and vivid underworld locations. The Hong Kong Massacre is a action, bullet time and violent game developed by VRESKI and published by Untold Tales. Released on January 21st 2019 has received 1,637 reviews of which 1,218 were positive and 419 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for games like IS Defense.
7.2
1,218
419
-93%
19.14€
1.34€
5. Blue Estate The Game
Similarity 76% Blue Estate is a black-humoured and corrosive rail shooter, adapted from the critically acclaimed and Eisner Award nominated graphic novel, Blue Estate by Viktor Kalvachev! Blue Estate The Game is a on-rails shooter, action and comedy game developed and published by HE SAW. Released on April 08th 2015 has received 1,698 reviews of which 1,561 were positive and 137 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #5 position in the best deals for games like IS Defense.
8.8
1,561
137
-92%
12.50€
1.00€
6. Sniper Ghost Warrior 3
Similarity 71% 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 #6 position in the best deals for games like IS Defense.
6.6
12,266
6,122
-91%
19.56€
1.76€
7. Severed Steel
Similarity 80% An intense single-player FPS featuring a stylish movement system, completely destructible levels, and an acclaimed OST. Severed Steel is a fps, bullet time and parkour game developed and published by Greylock Studio. Released on September 17th 2021 has received 6,806 reviews of which 6,502 were positive and 304 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like IS Defense.
9.2
6,502
304
-90%
20.99€
2.09€
8. 12 is Better Than 6
Similarity 71% 12 is Better Than 6 is a dynamic top-down shooter with stealth elements, presented in a Wild West theme. The story puts you in the shoes of escaped slave fleeing to the United States in 1873. 12 is Better Than 6 is a action, shooter and western game developed by Ink Stains Games and published by HypeTrain Digital. Released on November 20th 2015 has received 7,268 reviews of which 6,071 were positive and 1,197 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like IS Defense.
8.1
6,071
1,197
-90%
6.99€
0.69€
9. Daymare: 1998
Similarity 71% DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission. Daymare: 1998 is a zombies, survival horror and action game developed by Invader Studios and published by Destructive Creations and All in! Games. Released on September 17th 2019 has received 3,885 reviews of which 2,703 were positive and 1,182 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like IS Defense.
6.8
2,703
1,182
-90%
29.99€
2.99€
10. Hotline Miami 2: Wrong Number
Similarity 71% Hotline Miami 2: Wrong Number is the brutal conclusion to the Hotline Miami saga, set against a backdrop of escalating violence and retribution over spilled blood in the original game. Hotline Miami 2: Wrong Number is a great soundtrack, gore and pixel graphics game developed by Dennaton Games and published by Devolver Digital. Released on March 10th 2015 has received 65,651 reviews of which 61,790 were positive and 3,861 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a significant 89% discount, this title has earned the #10 position in the best deals for games like IS Defense.
9.3
61,790
3,861
-89%
14.82€
1.63€
Free games like IS Defense on Steam
Check out this fantastic list of free-to-play games like IS Defense 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 IS Defense.
1. MechWarrior Online™ Legends
Similarity 71% MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere. MechWarrior Online™ Legends is a free to play, mechs and multiplayer game developed and published by Piranha Games Inc.. Released on December 10th 2015 has received 12,139 reviews of which 9,726 were positive and 2,413 were negative resulting in a rating of 7.8 out of 10. With 571 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like IS Defense.
7.8
9,726
2,413
571
players
2. Will To Live Online
Similarity 76% Will To Live is a MMORPG-shooter whose action takes place in a severe post-apocalyptic world. Explore the world, engage in fights with mutants and other survivors, join the clans in the struggle for existence and prove your right to Live. Will To Live Online is a survival, free to play and multiplayer game developed and published by AlphaSoft LLC. Released on April 05th 2018 has received 17,454 reviews of which 12,204 were positive and 5,250 were negative resulting in a rating of 6.9 out of 10. Thanks to its free to play tag and a daily player base of 392, this game has secured the #2 spot in the ranking of free games like IS Defense.
6.9
12,204
5,250
392
players
3. Black Squad
Similarity 71% 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. Thanks to its free to play tag and a daily player base of 285, this game has secured the #3 spot in the ranking of free games like IS Defense.
7.5
62,058
19,654
285
players
4. Operation: Harsh Doorstop
Similarity 73% Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by ex-developers of Squad, Red Orchestra, and Insurgency. Operation: Harsh Doorstop is a free to play, military and multiplayer game developed by Drakeling Labs and published by . Released on February 15th 2023 has received 18,030 reviews of which 13,849 were positive and 4,181 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 225 players due to its free access, this strategy game has achieved the #4 position in the best free games like IS Defense.
7.5
13,849
4,181
225
players
5. Splitgate
Similarity 76% Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat. Splitgate is a free to play, fps and multiplayer game developed and published by 1047 Games. Released on May 24th 2019 has received 111,696 reviews of which 102,298 were positive and 9,398 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 220 players due to its free access, this strategy game has achieved the #5 position in the best free games like IS Defense.
9.0
102,298
9,398
220
players
6. PAPERHEAD EP.0
Similarity 80% In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED? PAPERHEAD EP.0 is a fps, fast-paced and singleplayer game developed by Paperhead te4m and published by HypeTrain Digital. Released on November 14th 2024 has received 1,443 reviews of which 1,347 were positive and 96 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like IS Defense.
8.9
1,347
96
43
players
7. Sniper 3D Assassin: Free to Play
Similarity 73% Sniper 3D Assassin® in 7 words: great gameplay, awesome visuals and entertaining missions. Sniper 3D Assassin: Free to Play is a free to play, action and fps game developed and published by Fun Games For Free. Released on September 19th 2018 has received 1,658 reviews of which 1,066 were positive and 592 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #7 spot among the most played free games like IS Defense.
6.3
1,066
592
26
players
8. Propagation VR
Similarity 80% Combining survival horror and static wave shooting, Propagation VR will get your adrenaline pumping as you try to survive a zombie apocalypse. Armed only with your guns and your fists, fight off terrifying zombies and other multi-species mutants. Will you get out alive? Propagation VR is a vr, action and horror game developed and published by WanadevStudio. Released on September 25th 2020 has received 5,587 reviews of which 5,269 were positive and 318 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #8 spot among the most played free games like IS Defense.
9.1
5,269
318
22
players
9. Battle Grounds III
Similarity 89% 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! Battle Grounds III is a historical, free to play and multiplayer game developed and published by The Battle Grounds Game Development Team. Released on July 14th 2024 has received 3,952 reviews of which 3,407 were positive and 545 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #9 spot among the most played free games like IS Defense.
8.3
3,407
545
14
players
10. BROKE PROTOCOL
Similarity 76% A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story. BROKE PROTOCOL is a sandbox, open world and multiplayer game developed and published by Cylinder Studios. Released on June 26th 2024 has received 3,154 reviews of which 2,367 were positive and 787 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #10 spot among the most played free games like IS Defense.
7.3
2,367
787
10
players