Games like SENTRY on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like SENTRY are available at the bottom of the page.
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Cosmic Trip
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
Sanctum 2
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
Cluckmech Oasis
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
Out of Ammo
Out of Ammo is an intense VR Tower Defense / FPS hybrid strategy game that will have you constructing defenses, calling in artillery, issuing orders, and taking direct control of your soldiers in order to survive a relentless enemy onslaught.
Supplice
Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.
Outpost: Infinity Siege
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
No Creeps Were Harmed TD
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!
Force Reboot
Force Reboot is a fast-paced FPS with rogue-lite elements. Force Reboot is entirely focused on nonstop gameplay. You need to get past all of the rooms as fast as you can.
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?
Sanctum
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
IDUN - Frontline Survival
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
Rogue Command
Classic RTS gameplay fused with a modern roguelike. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Drill Core
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
LOCKDOWN Protocol
A first person social deduction game, combining real time action and communication, 3 to 8 players. While most players will do their best to complete objectives and ensure victory, a small portion of dissidents will try to stop them at all costs, without getting caught.
Alien Hallway
Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.
REAVER
REAVER is an ultra-fast-paced FPS that endows you with the mobility and weapon mechanics to reave through arenas of killer machines with grace and efficiency. Push the boundaries of speed and style in this next-gen movement-shooter.
STAR WARS™ Battlefront
The STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.
The Outer Worlds: Spacer's Choice Edition
The Outer Worlds: Spacer’s Choice Edition is the ultimate way to play the award-winning RPG from Obsidian Entertainment and Private Division. Including the base game and all DLC, this remastered masterpiece is the absolute best version of The Outer Worlds.
ADACA
A Sci-fi FPS set on the mysterious planet ADACA. - Use your GRAVITY-MANIPULATING arm to HURL objects at your foes or even RIP weapons directly from their hands! - EXPLORE and manipulate the environment in this EERIE and HOSTILE world!
Wild Bastards
The spiritual successor to the award-winning game Void Bastards, Wild Bastards is a roguelike strategy shooter with heart-pounding FPS action, mod management, and a tactical campaign. Saddle up and lead the most notorious outlaws in the galaxy.
Grapple Tournament
Grapple Tournament is a VR Grappling Hook Shooter with 3D movement freedom, fast-paced vertical combat and dual wieldable multifunctional weapons. Now Free-To-Play!
Aliens vs. Predator™
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.
Predator: Hunting Grounds
Hunt or be hunted in this asymmetrical multiplayer shooter that pits man against Predator. As part of a Fireteam, complete missions before the Predator finds you. Or be the Predator and hunt your prey.
Red Trigger
Red Trigger is an FPS Puzzle game inspired by Portal, Antichamber and more. Use a gun that can expand or retract red blocks. The catch? You can only expand three blocks at a time - so you need to manage your energy wisely.Most played games like SENTRY on Steam
Take a look at the top games like SENTRY that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Aliens: Dark Descent
Similarity 51% Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe. Aliens: Dark Descent is a strategy, action and tactical game developed by Tindalos Interactive and published by Focus Entertainment. Released on June 19th 2023 has received 15,154 reviews of which 13,389 were positive and 1,765 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 SENTRY, thanks to its 533 peak concurrent players over the last day.
8.6
13,389
1,765
533
players
2. LOCKDOWN Protocol
Similarity 55% A first person social deduction game, combining real time action and communication, 3 to 8 players. While most players will do their best to complete objectives and ensure victory, a small portion of dissidents will try to stop them at all costs, without getting caught. LOCKDOWN Protocol is a early access, multiplayer and social deduction game developed and published by Mirage Creative Lab. Released on July 22nd 2024 has received 14,385 reviews of which 12,646 were positive and 1,739 were negative resulting in a rating of 8.6 out of 10. While seeing 389 players online at once in the last 24 hours, this game is currently ranked #2 among games like SENTRY based on player count.
8.6
12,646
1,739
389
players
3. Roboquest
Similarity 51% Roboquest is a fast FPS Roguelite in a scorched futureworld. You're a rebooted Guardian, ready to kick some metal ass! Fight with your buddy or by yourself and annihilate hordes of deadly bots in ever-changing environments. Roboquest is a fps, action roguelike and rogue-lite game developed by RyseUp Studios and published by RyseUp Studios and Starbreeze Entertainment. Released on November 07th 2023 has received 21,274 reviews of which 20,320 were positive and 954 were negative resulting in an impressive rating of 9.3 out of 10. While seeing 333 players online at once in the last 24 hours, this game is currently ranked #3 among games like SENTRY based on player count.
9.3
20,320
954
333
players
4. Aliens vs. Predator™
Similarity 53% Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay. Aliens vs. Predator™ is a action, fps and aliens game developed by Rebellion and published by SEGA. Released on February 16th 2010 has received 19,741 reviews of which 17,969 were positive and 1,772 were negative resulting in a rating of 8.9 out of 10. With 237 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like SENTRY.
8.9
17,969
1,772
237
players
5. Drill Core
Similarity 55% Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival? Drill Core is a early access, strategy and colony sim game developed by Hungry Couch Games and published by tinyBuild. Released on September 12th 2024 has received 1,236 reviews of which 1,060 were positive and 176 were negative resulting in a rating of 8.2 out of 10. With 185 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like SENTRY.
8.2
1,060
176
185
players
6. Predator: Hunting Grounds
Similarity 52% Hunt or be hunted in this asymmetrical multiplayer shooter that pits man against Predator. As part of a Fireteam, complete missions before the Predator finds you. Or be the Predator and hunt your prey. Predator: Hunting Grounds is a multiplayer, fps and pvp game developed by IllFonic and published by IllFonic Publishing. Released on April 29th 2021 has received 4,461 reviews of which 3,445 were positive and 1,016 were negative resulting in a rating of 7.5 out of 10. With 116 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like SENTRY.
7.5
3,445
1,016
116
players
7. The Outer Worlds: Spacer's Choice Edition
Similarity 53% The Outer Worlds: Spacer’s Choice Edition is the ultimate way to play the award-winning RPG from Obsidian Entertainment and Private Division. Including the base game and all DLC, this remastered masterpiece is the absolute best version of The Outer Worlds. The Outer Worlds: Spacer's Choice Edition is a action, rpg and adventure game developed by Obsidian Entertainment and Virtuos Games and published by Private Division. Released on March 07th 2023 has received 3,616 reviews of which 2,701 were positive and 915 were negative resulting in a rating of 7.3 out of 10. With 115 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like SENTRY.
7.3
2,701
915
115
players
8. Outpost: Infinity Siege
Similarity 60% Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time. Outpost: Infinity Siege is a robots, 3d and base-building game developed by Team Ranger and published by Lightning Games. Released on March 26th 2024 has received 12,967 reviews of which 8,698 were positive and 4,269 were negative resulting in a rating of 6.6 out of 10. With 106 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like SENTRY.
6.6
8,698
4,269
106
players
9. Vertigo 2
Similarity 51% Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home. Vertigo 2 is a vr, indie and sci-fi game developed by Zach Tsiakalis-Brown and published by Zulubo Productions. Released on March 30th 2023 has received 2,361 reviews of which 2,263 were positive and 98 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #9 spot among the most played games like SENTRY.
9.1
2,263
98
46
players
10. Silica
Similarity 51% Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer? Silica is a rts, multiplayer and fps game developed by Martin 'Dram' Melichárek and published by Bohemia Interactive. Released on May 03rd 2023 has received 4,426 reviews of which 3,388 were positive and 1,038 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #10 spot among the most played games like SENTRY.
7.4
3,388
1,038
30
players
Best deals on games like SENTRY on Steam
Discover fantastic savings with the best discounts on a variety of games like SENTRY 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 SENTRY.
1. This Means Warp
Similarity 50% It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy. This Means Warp is a survival, online co-op and space game developed by Outlier and published by Jagex Ltd. Released on May 04th 2023 has received 619 reviews of which 445 were positive and 174 were negative resulting in a rating of 6.9 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like SENTRY.
6.9
445
174
-95%
20.00€
1.00€
2. Aliens vs. Predator™
Similarity 53% Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay. Aliens vs. Predator™ is a action, fps and aliens game developed by Rebellion and published by SEGA. Released on February 16th 2010 has received 19,741 reviews of which 17,969 were positive and 1,772 were negative resulting in a rating of 8.9 out of 10. Thanks to its incredible 80% discount, this game is now the #2 best deal in games like SENTRY.
8.9
17,969
1,772
-80%
14.99€
2.99€
3. Sanctum
Similarity 59% You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience. Sanctum is a tower defense, fps and strategy game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on April 15th 2011 has received 3,301 reviews of which 2,941 were positive and 360 were negative resulting in a rating of 8.6 out of 10. Thanks to its incredible 63% discount, this game is now the #3 best deal in games like SENTRY.
8.6
2,941
360
-63%
9.73€
3.60€
4. Outpost: Infinity Siege
Similarity 60% Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time. Outpost: Infinity Siege is a robots, 3d and base-building game developed by Team Ranger and published by Lightning Games. Released on March 26th 2024 has received 12,967 reviews of which 8,698 were positive and 4,269 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 58% discount, this title has earned the #4 position in the best deals for games like SENTRY.
6.6
8,698
4,269
-58%
24.45€
10.27€
5. Drill Core
Similarity 55% Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival? Drill Core is a early access, strategy and colony sim game developed by Hungry Couch Games and published by tinyBuild. Released on September 12th 2024 has received 1,236 reviews of which 1,060 were positive and 176 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 53% discount, this title has earned the #5 position in the best deals for games like SENTRY.
8.2
1,060
176
-53%
19.45€
9.14€
6. Wild Bastards
Similarity 53% The spiritual successor to the award-winning game Void Bastards, Wild Bastards is a roguelike strategy shooter with heart-pounding FPS action, mod management, and a tactical campaign. Saddle up and lead the most notorious outlaws in the galaxy. Wild Bastards is a action roguelike, strategy and shooter game developed by Blue Manchu and published by Maximum Entertainment. Released on September 12th 2024 has received 514 reviews of which 397 were positive and 117 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 51% discount, this title has earned the #6 position in the best deals for games like SENTRY.
7.3
397
117
-51%
34.67€
16.99€
7. RIPOUT
Similarity 51% Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle. RIPOUT is a online co-op, fps and horror game developed by Pet Project Games and published by 3D Realms. Released on May 28th 2024 has received 1,159 reviews of which 712 were positive and 447 were negative resulting in a rating of 6.0 out of 10. Currently offered at a 50% discount, this title has earned the #7 position in the best deals for games like SENTRY.
6.0
712
447
-50%
19.99€
9.99€
8. WW2: Bunker Simulator
Similarity 50% During WWII you are an American soldier who captured the german bunker in Normandy. You must defend it at all costs and survive this World War II. Complete missions, cook & shoot, search the bodies for medicines, ammo, and food to survive. WW2: Bunker Simulator is a mix of fps and simulator. WW2: Bunker Simulator is a resource management, fps and world war ii game developed by BEPLAYER and Art Games Studio S.A. and published by Art Games Studio S.A. and Gaming Factory. Released on October 10th 2022 has received 373 reviews of which 287 were positive and 86 were negative resulting in a rating of 7.2 out of 10. Currently offered at a 41% discount, this title has earned the #8 position in the best deals for games like SENTRY.
7.2
287
86
-41%
10.05€
5.93€
9. Vertigo 2
Similarity 51% Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home. Vertigo 2 is a vr, indie and sci-fi game developed by Zach Tsiakalis-Brown and published by Zulubo Productions. Released on March 30th 2023 has received 2,361 reviews of which 2,263 were positive and 98 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a 40% discount, this title has earned the #9 position in the best deals for games like SENTRY.
9.1
2,263
98
-40%
28.99€
17.39€
10. Cluckmech Oasis
Similarity 63% Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies. Cluckmech Oasis is a strategy, rogue-like and tower defense game developed by BlackLight and published by Mammorize, Flawless Gaming and Erabit. Released on May 09th 2024 has received 3,101 reviews of which 2,753 were positive and 348 were negative resulting in a rating of 8.5 out of 10. Currently offered at a 38% discount, this title has earned the #10 position in the best deals for games like SENTRY.
8.5
2,753
348
-38%
9.68€
6.00€
Free games like SENTRY on Steam
Check out this fantastic list of free-to-play games like SENTRY 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 SENTRY.
1. Grapple Tournament
Similarity 53% Grapple Tournament is a VR Grappling Hook Shooter with 3D movement freedom, fast-paced vertical combat and dual wieldable multifunctional weapons. Now Free-To-Play! Grapple Tournament is a vr, arena shooter and fps game developed and published by Tomorrow Games. Released on December 23rd 2023 has received 345 reviews of which 314 were positive and 31 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #1 spot among the most played free games like SENTRY.
8.4
314
31
2. Three Finger Battle Arena
Similarity 50% Three Finger Battle Arena is a game where you can punch your friends into orbit, then swing away like nothing ever happened! Three Finger Battle Arena is a action, casual and pvp game developed by and published by Joseph Maltby. Released on February 26th 2022 has received 381 reviews of which 341 were positive and 40 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #2 spot among the most played free games like SENTRY.
8.3
341
40
3. Eden Rising
Similarity 52% Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online! Eden Rising is a adventure, open world and multiplayer game developed by Meridian4 and The Wall Productions Inc. and published by The Wall Productions Inc.. Released on May 17th 2019 has received 1,449 reviews of which 934 were positive and 515 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #3 spot among the most played free games like SENTRY.
6.3
934
515