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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BROKE PROTOCOL
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.
ZomDay
As zombie crisis broke out around the world,you will play one of the warrior of S.E.A.T(Special Event Action Team)to fight against the zombies all over the world.ZomDay is a fast pace VR shooting game contains multi-player mod,exciting Boss fight,character perk and hardcore weapon system.
Splitgate
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.
Operation Warcade VR
Relive the experience of playing the classic war arcade in a totally amazing way, thanks to virtual reality and the innovative immersion system that will make it possible for you to travel inside the video game.
Serious Sam 3 VR: BFE
Serious Sam 3 VR: BFE is a virtual reality action shooter, a glorious throwback to the golden age of first-person shooters where men were men, cover was for amateurs and pulling the trigger made things go boom.
Space Beast Terror Fright
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?
Blue Estate The Game
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!
NightClub Simulator
Step into the wild world of NightClub Simulator VR! Experience an exclusive party where you can dance, mingle, fight, or flirt your way through a chaotic nightclub scene. Interact with lifelike NPCs, build relationships, cause a little mayhem, or just enjoy the music. Your night, your rules.
Isonzo
Ferocious Alpine warfare will test your tactical skills in this authentic WW1 FPS. Battle among the scenic peaks, rugged valleys and idyllic towns of northern Italy. The Great War on the Italian Front is brought to life and elevated to unexpected heights!
Vomitoreum
Vomitoreum is an FPS Metroidvania with a focus on atmosphere and horror, inspired by the paintings of Zdzisław Beksiński.
Geometric Sniper
Immerse yourself in Andrew's story and feel the pressure of being a sniper. Find and eliminate the target in the crowd before he runs away.In living environments, designed exclusively for this fantastic game, you will not have a second chance, precision is everything!
HARD BULLET
HARD BULLET is a physics-based action game, where enemies flood the neon-lit city bringing destruction to its streets. Use slow-motion, a huge arsenal, and brutal combat to survive and unlock new weapons. Prepare for the next RIDE by mastering your skills in Sandbox and Arena modes.
Ad Infinitum
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?
Total Lockdown
Total Lockdown is a battle royale on the top floors of a giant skyscraper. In this action shooter, the goal is to survive using any available weapons, gadgets, and tricks. Fight for fortune and fame in a battle to the death!
Sniper 3D Assassin: Free to Play
Sniper 3D Assassin® in 7 words: great gameplay, awesome visuals and entertaining missions.
killer7
Sneak into a world of underground assassins as Harman Smith, a man who manifests 7 deadly personalities, the killer7. Take control of this distinct murderers' row as they hunt down the sinister Kun Lan to thwart his plan of world dominance.
Rise of Liberty
Rise of Liberty is a FPS single-player massive Revolutionary War battle simulator. Fire deafening cannons into the thick of the battle, stand in line formation and fire devastating volleys into the enemy. Gather your men for these monumental battles and defeat the enemy!
Ancient Warfare 3
Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...
Operation: Harsh Doorstop
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.
Eternity Warriors VR
Packed with classical action game essences, high-definition visual, and real-time multiplayer features.
Ravenfield
Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics!
In Death
Created exclusively for VR, In Death is a Roguelite Shooter set in the godless afterlife. Battle through procedurally generated levels and dungeons in intense ranged combat, coupled with a unique locomotion system perfectly attuned to your fighting style.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 30th 2025.
1. 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 247,279 reviews of which 175,301 were positive and 71,978 were negative resulting in a rating of 7.0 out of 10. The game has hit the top spot as the #1 most played game like IS Defense, thanks to its 12,887 peak concurrent players over the last day.
7.0
175,301
71,978
12,887
players
2. 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 world war i game developed by DICE and published by Electronic Arts. Released on June 11th 2020 has received 188,323 reviews of which 162,937 were positive and 25,386 were negative resulting in a rating of 8.6 out of 10. While seeing 12,010 players online at once in the last 24 hours, this game is currently ranked #2 among games like IS Defense based on player count.
8.6
162,937
25,386
12,010
players
3. 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 136,949 reviews of which 112,848 were positive and 24,101 were negative resulting in a rating of 8.2 out of 10. While seeing 3,674 players online at once in the last 24 hours, this game is currently ranked #3 among games like IS Defense based on player count.
8.2
112,848
24,101
3,674
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 126,030 reviews of which 107,156 were positive and 18,874 were negative resulting in a rating of 8.4 out of 10. With 2,432 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like IS Defense.
8.4
107,156
18,874
2,432
players
5. Easy Red 2
Similarity 89% Fight massive battles between infantry, armored vehicles, tanks, cannons and planes. Realistically manage your weapons and equipment, coordinate with your squad, and tactically navigate large, fully destructible open world maps. Experience the WW2 in singleplayer, PVP and Co-Op. Easy Red 2 is a world war ii, action and singleplayer game developed by Marco Amadei and published by Corvostudio di Amadei Marco. Released on January 06th 2022 has received 7,761 reviews of which 7,047 were positive and 714 were negative resulting in a rating of 8.8 out of 10. With 1,672 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like IS Defense.
8.8
7,047
714
1,672
players
6. 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 58,926 reviews of which 53,718 were positive and 5,208 were negative resulting in a rating of 9.0 out of 10. With 916 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like IS Defense.
9.0
53,718
5,208
916
players
7. 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 69,843 reviews of which 59,642 were positive and 10,201 were negative resulting in a rating of 8.4 out of 10. With 844 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like IS Defense.
8.4
59,642
10,201
844
players
8. 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 20,524 reviews of which 16,257 were positive and 4,267 were negative resulting in a rating of 7.8 out of 10. With 833 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like IS Defense.
7.8
16,257
4,267
833
players
9. 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 73,071 reviews of which 70,824 were positive and 2,247 were negative resulting in an impressive rating of 9.5 out of 10. With 819 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like IS Defense.
9.5
70,824
2,247
819
players
10. 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, multiplayer and action 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 19,434 reviews of which 15,595 were positive and 3,839 were negative resulting in a rating of 7.9 out of 10. With 468 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like IS Defense.
7.9
15,595
3,839
468
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 30th 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 7,473 reviews of which 6,947 were positive and 526 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
6,947
526
-95%
25.00€
1.25€
2. 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 1,659 reviews of which 1,469 were positive and 190 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like IS Defense.
8.4
1,469
190
-93%
14.29€
1.00€
3. 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 870 reviews of which 702 were positive and 168 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like IS Defense.
7.7
702
168
-93%
32.71€
2.29€
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 1,649 reviews of which 1,226 were positive and 423 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
1,226
423
-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 1,701 reviews of which 1,564 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
1,564
137
-92%
12.50€
1.00€
6. Necromunda: Hired Gun
Similarity 80% Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city. Necromunda: Hired Gun is a action, warhammer 40k and adventure game developed by Streum On Studio and published by Focus Entertainment. Released on May 31st 2021 has received 7,369 reviews of which 4,844 were positive and 2,525 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like IS Defense.
6.5
4,844
2,525
-92%
39.50€
3.16€
7. 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 58,926 reviews of which 53,718 were positive and 5,208 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for games like IS Defense.
9.0
53,718
5,208
-91%
59.22€
5.33€
8. 303 Squadron: Battle of Britain
Similarity 71% The enemies are close, would you dare to join the Squadron? Tweak planes in a 1st person mechanic mode, set the clouds on fire in aerial fights sim and discover extra missions in an open world of RAF Base. Enjoy a gameplay based on a real history and become the Ace of Sky. 303 Squadron: Battle of Britain is a simulation, action and indie game developed by Atomic Jelly and published by Atomic Jelly and Movie Games S.A.. Released on August 31st 2018 has received 415 reviews of which 257 were positive and 158 were negative resulting in a rating of 6 out of 10. Currently offered at a significant 91% discount, this title has earned the #8 position in the best deals for games like IS Defense.
6
257
158
-91%
9.75€
0.87€
9. Hard Reset Extended Edition
Similarity 80% Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now. Hard Reset Extended Edition is a fps, cyberpunk and action game developed by Flying Wild Hog and published by Good Shepherd Entertainment. Released on July 12th 2012 has received 4,798 reviews of which 3,929 were positive and 869 were negative resulting in a rating of 7.9 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.
7.9
3,929
869
-90%
14.99€
1.49€
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 65,806 reviews of which 61,945 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
61,945
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 30th 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 12,174 reviews of which 9,752 were positive and 2,422 were negative resulting in a rating of 7.8 out of 10. With 360 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like IS Defense.
7.8
9,752
2,422
360
players
2. 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 81,711 reviews of which 62,061 were positive and 19,650 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 309, this game has secured the #2 spot in the ranking of free games like IS Defense.
7.5
62,061
19,650
309
players
3. 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 17,505 reviews of which 12,228 were positive and 5,277 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 307, this game has secured the #3 spot in the ranking of free games like IS Defense.
6.9
12,228
5,277
307
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 18,167 reviews of which 13,961 were positive and 4,206 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 240 players due to its free access, this strategy game has achieved the #4 position in the best free games like IS Defense.
7.5
13,961
4,206
240
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 111,672 reviews of which 102,280 were positive and 9,392 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 136 players due to its free access, this strategy game has achieved the #5 position in the best free games like IS Defense.
9.0
102,280
9,392
136
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 1,560 reviews of which 1,455 were positive and 105 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
1,455
105
38
players
7. 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 5,594 reviews of which 5,275 were positive and 319 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #7 spot among the most played free games like IS Defense.
9.1
5,275
319
28
players
8. 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 1,660 reviews of which 1,067 were positive and 593 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #8 spot among the most played free games like IS Defense.
6.3
1,067
593
19
players
9. BRAIN / OUT
Similarity 80% 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! BRAIN / OUT is a free to play, 2d and shooter game developed and published by Desertkun. Released on February 24th 2017 has received 15,383 reviews of which 12,616 were positive and 2,767 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #9 spot among the most played free games like IS Defense.
8.0
12,616
2,767
10
players
10. 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 3,949 reviews of which 3,403 were positive and 546 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #10 spot among the most played free games like IS Defense.
8.3
3,403
546
5
players