Games like Intruder on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Intruder are available at the bottom of the page.
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Delta Force 2
You're a member of the U.S. Army's best kept secret: the elite SPECIAL OPERATIONS unit known as Delta Force, formed to BATTLE TERRORISM throughout the world. When the best of the rest can't handle the op, YOU are called into action. Can you handle THE JOB? Features FREE NovaWorld™: online gaming supporting up to 50 players.
Perfect Heist
Perfect Heist is a round-based online game, where the robber team tries to execute a bank robbery without getting noticed, and the cop team tries to prevent it. Robbers hide in plain sight and try to slowly infiltrate the bank while the Cops try to figure out who is a normal customer, and who is a robber!
Dinosaur Hunt
Dinosaur Hunt is an intense action shooter that will take you on an epic journey of hunting the world’s most horrifying animals!
Thief Simulator
Become the best thief. Gather intel, steal things and sell them to buy hi-tech equipment. Do everything that a real thief does.
Hidden & Dangerous 2: Courage Under Fire
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.
Serious Sam Classics: Revolution
Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.
ARMA: Gold Edition
ARMA: Gold is pack of ARMA: Armed Assault and an expansion pack ARMA: Queen's Gambit. ARMA is a first person tactical military shooter with large elements of realism and simulation. This game features a blend of large-scale military conflict spread over large areas alongside the more closed quarters battle.
Intravenous
Teeth-clenching stealth, followed by tactical hardcore gunplay for those not looking for a quiet way in. Intravenous redefines challenging stealth-action and will keep you on the edge of your seat!
Primal Carnage: Extinction
Hunt humans, slay dinosaurs. It's chaotic prehistoric PvP, pick a side. Think fast, or you're extinct!
Arma Reforger
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.
Borderlands 2
The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience.
GTFO
GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.
Serious Sam HD: The First Encounter
Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!
Chaser
Mars, 2044. The UN establishes MARSCORP (Martian Security and Economics Committee) under the leadership of Samuel Longwood. In the years that follow, the UN gradually loses control of MARSCORP, mainly due to the non-transparent licence policy of its director.
Fast Food Simulator
Welcome to the world's most chaotic place! Play solo or co-op with up to 6 players. Run a fast-food restaurant, and work with your friends to expand your business. Take orders, make burgers, and increase your earnings by dealing with customers.
MechWarrior 5: Clans
In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.
Viscera Cleanup Detail
In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.
Orbital Gear
Orbital Gear is a fast paced sidescroller shooter where you utilize the gravitation of celestial objects to give you momentum through space. Arm your Mech with two of the twelve different weapons and destroy your enemies.
Demolish & Build 2018
Your company is going global. Use big machines to demolish huge buildings or go close and personal and use your hammer. Buy land properties, upgrade your machines and hire workers in different parts of the world.
Quake
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
Most played games like Intruder on Steam
Take a look at the top games like Intruder that are currently attracting the largest player bases on the Steam platform, as of June 17th 2025.
1. Counter-Strike 2
Similarity 62% 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 8,815,087 reviews of which 7,642,084 were positive and 1,173,003 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 Intruder, thanks to its 774,128 peak concurrent players over the last day.
8.6
7,642,084
1,173,003
774,128
players
2. Tom Clancy's Rainbow Six® Siege X
Similarity 55% Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators. Tom Clancy's Rainbow Six® Siege X is a fps, pvp and multiplayer game developed by Ubisoft Montreal and published by Ubisoft. Released on December 01st 2015 has received 1,398,584 reviews of which 1,172,854 were positive and 225,730 were negative resulting in a rating of 8.3 out of 10. While seeing 104,922 players online at once in the last 24 hours, this game is currently ranked #2 among games like Intruder based on player count.
8.3
1,172,854
225,730
104,922
players
3. Apex Legends™
Similarity 55% Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale. Apex Legends™ is a free to play, battle royale and multiplayer game developed by Respawn and published by Electronic Arts. Released on November 04th 2020 has received 994,979 reviews of which 668,053 were positive and 326,926 were negative resulting in a rating of 6.7 out of 10. While seeing 50,089 players online at once in the last 24 hours, this game is currently ranked #3 among games like Intruder based on player count.
6.7
668,053
326,926
50,089
players
4. Team Fortress 2
Similarity 48% 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 1,161,472 reviews of which 1,044,264 were positive and 117,208 were negative resulting in a rating of 8.9 out of 10. With 46,105 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Intruder.
8.9
1,044,264
117,208
46,105
players
5. PAYDAY 2
Similarity 48% 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 663,082 reviews of which 594,327 were positive and 68,755 were negative resulting in a rating of 8.9 out of 10. With 37,592 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Intruder.
8.9
594,327
68,755
37,592
players
6. Delta Force
Similarity 41% 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 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. With 30,539 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Intruder.
6.3
72,717
41,910
30,539
players
7. Left 4 Dead 2
Similarity 45% 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 963,983 reviews of which 940,221 were positive and 23,762 were negative resulting in an impressive rating of 9.7 out of 10. With 23,822 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Intruder.
9.7
940,221
23,762
23,822
players
8. THE FINALS
Similarity 54% Join THE FINALS, the world-famous, free-to-play, combat-centered game show! Fight alongside your teammates in virtual arenas that you can alter, exploit, and even destroy. Build your own playstyle in this first-person shooter to win escalating tournaments and lasting fame. THE FINALS is a destruction, free to play and multiplayer game developed and published by Embark Studios. Released on December 07th 2023 has received 231,651 reviews of which 180,119 were positive and 51,532 were negative resulting in a rating of 7.7 out of 10. With 17,073 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Intruder.
7.7
180,119
51,532
17,073
players
9. Counter-Strike: Source
Similarity 67% Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Counter-Strike: Source is a shooter, fps and action game developed and published by Valve. Released on November 01st 2004 has received 182,234 reviews of which 175,426 were positive and 6,808 were negative resulting in an impressive rating of 9.5 out of 10. With 10,865 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Intruder.
9.5
175,426
6,808
10,865
players
10. Arma Reforger
Similarity 44% 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 30,623 reviews of which 23,326 were positive and 7,297 were negative resulting in a rating of 7.5 out of 10. With 10,647 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Intruder.
7.5
23,326
7,297
10,647
players
Best deals on games like Intruder on Steam
Discover fantastic savings with the best discounts on a variety of games like Intruder available on Steam right now, updated on June 17th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Intruder.
1. Viscera Cleanup Detail: Shadow Warrior
Similarity 47% After the battle is over, someone has to cleanup the mess! Introducing Viscera Cleanup Detail: Shadow Warrior from RuneStorm, a unique crossover mini-game that combines the worlds of Viscera Cleanup Detail and Shadow Warrior. Viscera Cleanup Detail: Shadow Warrior is a simulation, gore and first-person game developed by RuneStorm and published by Devolver Digital. Released on October 11th 2013 has received 4,434 reviews of which 3,572 were positive and 862 were negative resulting in a rating of 7.8 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Intruder.
7.8
3,572
862
-99%
305.00€
3.05€
2. Shadow Tactics: Blades of the Shogun
Similarity 40% Shadow Tactics is a hardcore tactical stealth game set in Japan around the Edo period. A new Shogun seizes power over Japan and enforces nationwide peace. In his battle against conspiracy and rebellion, he recruits five specialists with extraordinary skills for assassination, sabotage and espionage. Shadow Tactics: Blades of the Shogun is a stealth, strategy and tactical game developed by Mimimi Games and published by Daedalic Entertainment. Released on December 06th 2016 has received 37,237 reviews of which 35,767 were positive and 1,470 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like Intruder.
9.4
35,767
1,470
-98%
39.99€
1.14€
3. The Blackout Club
Similarity 50% The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed. The Blackout Club is a horror, co-op and indie game developed and published by Question. Released on July 29th 2019 has received 2,847 reviews of which 2,214 were positive and 633 were negative resulting in a rating of 7.5 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like Intruder.
7.5
2,214
633
-98%
28.99€
0.68€
4. Alien Rage - Unlimited
Similarity 54% Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them! Alien Rage - Unlimited is a action, shooter and fps game developed and published by CI Games. Released on September 24th 2013 has received 3,455 reviews of which 2,334 were positive and 1,121 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Intruder.
6.6
2,334
1,121
-98%
19.99€
0.54€
5. Sniper Ghost Warrior 3
Similarity 53% 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 18,502 reviews of which 12,341 were positive and 6,161 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Intruder.
6.6
12,341
6,161
-98%
19.99€
0.56€
6. Enemy Front
Similarity 50% 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 5,436 reviews of which 3,599 were positive and 1,837 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Intruder.
6.5
3,599
1,837
-98%
19.99€
0.53€
7. Gunscape
Similarity 52% Gunscape provides easy-to-use tools based on a block-placement interface everybody's already familiar with to create all types of maps. Don't like building stuff? Then just blast your way through hordes of monsters or duel with other players! Gunscape is a action, indie and multiplayer game developed and published by Blowfish Studios. Released on March 01st 2016 has received 1,249 reviews of which 828 were positive and 421 were negative resulting in a rating of 6.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Intruder.
6.4
828
421
-98%
19.99€
0.52€
8. Syndrome
Similarity 40% Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive. Syndrome is a horror, fps and survival horror game developed by Camel 101 and published by Camel 101 and WhisperGames. Released on October 06th 2016 has received 344 reviews of which 221 were positive and 123 were negative resulting in a rating of 6.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Intruder.
6.2
221
123
-98%
19.99€
0.51€
9. Borderlands 2
Similarity 43% The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience. Borderlands 2 is a loot, shooter and action game developed by Gearbox Software, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 20th 2012 has received 295,218 reviews of which 272,900 were positive and 22,318 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like Intruder.
9.2
272,900
22,318
-97%
29.99€
0.95€
10. Hidden & Dangerous 2: Courage Under Fire
Similarity 44% 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 877 reviews of which 836 were positive and 41 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Intruder.
8.9
836
41
-97%
9.99€
0.39€
Free games like Intruder on Steam
Check out this fantastic list of free-to-play games like Intruder you can enjoy on Steam right now, updated on June 17th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Intruder.
1. Counter-Strike 2
Similarity 62% 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 8,815,087 reviews of which 7,642,084 were positive and 1,173,003 were negative resulting in a rating of 8.6 out of 10. With 774,128 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Intruder.
8.6
7,642,084
1,173,003
774,128
players
2. Tom Clancy's Rainbow Six® Siege X
Similarity 55% Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators. Tom Clancy's Rainbow Six® Siege X is a fps, pvp and multiplayer game developed by Ubisoft Montreal and published by Ubisoft. Released on December 01st 2015 has received 1,398,584 reviews of which 1,172,854 were positive and 225,730 were negative resulting in a rating of 8.3 out of 10. Thanks to its free to play tag and a daily player base of 104,922, this game has secured the #2 spot in the ranking of free games like Intruder.
8.3
1,172,854
225,730
104,922
players
3. Apex Legends™
Similarity 55% Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale. Apex Legends™ is a free to play, battle royale and multiplayer game developed by Respawn and published by Electronic Arts. Released on November 04th 2020 has received 994,979 reviews of which 668,053 were positive and 326,926 were negative resulting in a rating of 6.7 out of 10. Thanks to its free to play tag and a daily player base of 50,089, this game has secured the #3 spot in the ranking of free games like Intruder.
6.7
668,053
326,926
50,089
players
4. Team Fortress 2
Similarity 48% 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 1,161,472 reviews of which 1,044,264 were positive and 117,208 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 46,105 players due to its free access, this strategy game has achieved the #4 position in the best free games like Intruder.
8.9
1,044,264
117,208
46,105
players
5. Delta Force
Similarity 41% 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 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. Attracting a solid base of 30,539 players due to its free access, this strategy game has achieved the #5 position in the best free games like Intruder.
6.3
72,717
41,910
30,539
players
6. THE FINALS
Similarity 54% Join THE FINALS, the world-famous, free-to-play, combat-centered game show! Fight alongside your teammates in virtual arenas that you can alter, exploit, and even destroy. Build your own playstyle in this first-person shooter to win escalating tournaments and lasting fame. THE FINALS is a destruction, free to play and multiplayer game developed and published by Embark Studios. Released on December 07th 2023 has received 231,651 reviews of which 180,119 were positive and 51,532 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 17,073 players due to its free access, this strategy game has achieved the #6 position in the best free games like Intruder.
7.7
180,119
51,532
17,073
players
7. Splitgate 2
Similarity 47% Splitgate 2 is the only free-to-play shooter with portals, delivering next-level gunplay, fluid movement, and a constantly evolving experience, featuring a new Battle Royale where you can portal between unique worlds. Welcome to the future of sport. Splitgate 2 is a shooter, free to play and multiplayer game developed and published by 1047 Games. Released on May 22nd 2025 has received 14,842 reviews of which 9,160 were positive and 5,682 were negative resulting in a rating of 6.1 out of 10. Attracting a solid base of 9,900 players due to its free access, this strategy game has achieved the #7 position in the best free games like Intruder.
6.1
9,160
5,682
9,900
players
8. STALCRAFT: X
Similarity 43% STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed. STALCRAFT: X is a free to play, mmorpg and multiplayer game developed and published by EXBO. Released on December 09th 2022 has received 78,974 reviews of which 59,715 were positive and 19,259 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 5,099 players due to its free access, this strategy game has achieved the #8 position in the best free games like Intruder.
7.5
59,715
19,259
5,099
players
9. Aimlabs
Similarity 53% Aimlabs is the aim trainer of choice for over 40 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game! Aimlabs is a free to play, fps and shooter game developed and published by Statespace. Released on June 16th 2023 has received 84,332 reviews of which 79,517 were positive and 4,815 were negative resulting in an impressive rating of 9.3 out of 10. Attracting a solid base of 3,312 players due to its free access, this strategy game has achieved the #9 position in the best free games like Intruder.
9.3
79,517
4,815
3,312
players
10. Halo Infinite
Similarity 45% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 177,041 reviews of which 123,333 were positive and 53,708 were negative resulting in a rating of 6.9 out of 10. Attracting a solid base of 2,951 players due to its free access, this strategy game has achieved the #10 position in the best free games like Intruder.
6.9
123,333
53,708
2,951
players