
"Theory" is an intense first-person shooter (FPS) game set in a post-apocalyptic world overrun by hordes of ravenous zombies. Players find themselves in a vast, desolate landscape. As a survivor, you'll navigate through various environments.
60+ similar titles based on shared tags and player behavior. Themes include FPS, Action, Hero Shooter, Shooter.

"Theory" is an intense first-person shooter (FPS) game set in a post-apocalyptic world overrun by hordes of ravenous zombies. Players find themselves in a vast, desolate landscape. As a survivor, you'll navigate through various environments.

Death Life: Beyond Purgatory
Humanity has lost its war against the virus, a world where balance and order have been disrupted. A unit unaffected by the virus, dedicated to aiding humanity, has emerged. A courier whose path leads to New State. Will you be able to complete the delivery in the face of the challenges ahead?

Captain Edward Continues
Want to continue playing as a time traveling pirate? Now is your chance with Captain Edward Continues. 100s of cutscenes, jokes, and other oddities to make you and your friends laugh. Want to just shoot robots, goblins, and gang members? You can do that, too!
Humanity has lost its war against the virus, a world where balance and order have been disrupted. A unit unaffected by the virus, dedicated to aiding humanity, has emerged. A courier whose path leads to New State. Will you be able to complete the delivery in the face of the challenges ahead?
Why similar: Hero Shooter 36.5% ★, FPS 13.9%, Thriller 9%, Shooter 8.3%, Zombies 8.1%
Want to continue playing as a time traveling pirate? Now is your chance with Captain Edward Continues. 100s of cutscenes, jokes, and other oddities to make you and your friends laugh. Want to just shoot robots, goblins, and gang members? You can do that, too!
Why similar: Hero Shooter 38.4% ★, FPS 16.3%, Zombies 11.9%, Shooter 10.7%, Action-Adventure 7.7%
A game in the genre: First Person Shooter, RPG, Puzzle. You'll have to walk around the building to get essential items. Also you have to save battery charge because it runs out very fast. And the worst thing you'll face with is contaminated which is far more dangerous than zombies!
Why similar: Hero Shooter 40.8% ★, Zombies 17.2%, FPS 14.9%, Shooter 12.5%, Action 4.6%
Take part in heart-stopping first-person action with waves of ravenous zombies. Use your weapons wisely, keep your ammo count at bay, and stay focused—all decisions are literally matters of life and death.
Why similar: Hero Shooter 38.1% ★, FPS 15.4%, Thriller 11%, Zombies 10.2%, Action-Adventure 6.9%
Defend, survive, unlock, interact, upgrade and eliminate all zombies. A first person shooter game against zombies.
Why similar: Hero Shooter 34.9% ★, Zombies 21.3%, FPS 13.5%, Shooter 11.5%, Action 5.2%
This is a bio infectious shooting game. You will play as a human, resist the attack of infected individuals, wait for the opportunity to become a hero, and kill infected individuals to the point of no return. Or play the role of an infected person, infect humanity, and defeat all heroes.
Why similar: Hero Shooter 36.6% ★, Zombies 27%, FPS 16.5%, Shooter 9.7%, First-Person 3.2%
A sci-fi themed FPS (Frog and Pepe Shooter). Wave after wave of amphibian-based mayhem. Choose your weapon and put those stinkin' frogs in their place. Git Gud, scrub
Why similar: Hero Shooter 41.2% ★, FPS 17.9%, Zombies 12.4%, Shooter 12.1%, Action 8.1%
Survive the fall of civilization in OUTBREAK FALL: BIOHAZARD — a fast-paced FPS where you fight infected hordes, explore ruined cities, and upgrade your gear to endure relentless outbreaks and escape the chaos.
Why similar: Hero Shooter 28.8% ★, Zombies 23.4%, FPS 17.3%, Shooter 11.6%, Action-Adventure 4.2%
Experience a thrilling ride as you unravel a twisted and branching tale of a science experiment gone wrong in this Sci-fi action FPS game! Early Access version available!
Why similar: Zombies 29.9%, Hero Shooter 28.1% ★, FPS 15.1%, Action 9.4%, Action-Adventure 7.5%
This game invites you to an action-packed adventure. What could you sacrifice to save a military base captured by aliens from aliens?
Why similar: Hero Shooter 30.9% ★, FPS 18.7%, Shooter 11%, Linear 10.6%, Zombies 7%
Action adventure thriller "Against Death: dead-end road " takes place in the harsh world of the beginning of the apocalypse due to an unknown virus. The John Carter is a former military man, and now a simple biker who is in search of himself.And this day was supposed to be the same...
Why similar: Hero Shooter 40.6% ★, Zombies 18%, FPS 15.6%, Shooter 10.3%, Action 4.6%
Investigate the recently condemned High Rock Hotel in this mystery horror expedition. Solve the disappearance of your father as Lin Wei as she evades parasitic monsters and discovers clues to the truth of what truly transpired in this 1970's hotel.
Why similar: Hero Shooter 39.7% ★, FPS 16.3%, Shooter 11.1%, Action-Adventure 8%, Action 5.6%
Dark Front is a story-driven first-person shooter that takes players to the fiercest fronts of World War II. Fight on different battlefields with various armies. Experience the darkest era of history brought to life with the power of Unreal Engine 5's stunning graphics.
Why similar: Hero Shooter 33.5% ★, FPS 14.1%, Shooter 10.6%, Zombies 9.9%, Action 8.7%
Clear the areas captured by terrorists in Syria from terrorists and rescue the hostages.
Why similar: Hero Shooter 32% ★, FPS 23.8%, Shooter 10.7%, Action-Adventure 9.3%, Action 7.3%
Deadish is a is a co-op horror survival game for 1-4 players that tests your resilience and ability to survive. Your adversaries spare no mercy, survival demands superior awareness, precision, and instincts. Fight back, hide and most importantly SURVIVE.
Why similar: Hero Shooter 39.1% ★, Zombies 22%, FPS 15.7%, Shooter 9.1%, Action-Adventure 4.7%
First-Person Story-Telling Game with a 7 Chapter Story Campaign, Verde Diamente Presidente Francisco Antonio Rodriguez Mobilizes La National Policia And Military To Combat A Nation-Wide Outbreak Of Zombies, Calling For The Manhunt & Prosecution Of 3 Scientists Who Engineered It.
Why similar: Hero Shooter 28.2% ★, Zombies 22.2%, FPS 13.7%, Linear 10%, Shooter 7.6%
Survive waves of zombies, collect perks, unlock boss door, and face the Top G in an intense showdown.
Why similar: Zombies 29.2%, FPS 24.3%, Shooter 16.6%, Action 11.8%, Linear 10.6%
The Living Remain is a virtual reality first person adventure shooter where players immerse themselves in a world where the undead have taken over. You must survive the horde of undead using an arsenal of weapons in a story driven campaign loaded with a variety of interactive environments.
Why similar: Hero Shooter 36% ★, Zombies 22.1%, FPS 10.7%, Shooter 8.2%, Action-Adventure 6.8%
The game is a simple first-person shooter in which you can sprint, reload and heal. You can play with an XBOX controller or with a mouse and keyboard. The usual keyboard layouts are used, such as WASD and Shift. You only have a certain number of shots and a life bar.
Why similar: Hero Shooter 43.1% ★, FPS 18.4%, Zombies 13.4%, Shooter 12.5%, Action 9%
Infinite Warfare delivers three unique game modes: Campaign, Multiplayer, and Zombies.
Why similar: Hero Shooter 37.3% ★, Zombies 23.4%, FPS 19%, Shooter 9.9%, Action 5.3%
Arriving on a hunt in a small village, you become a witness to attack of alien forces on the ground, armed with a shotgun, you decide to repulse the alien intruders.
Why similar: Hero Shooter 47.5% ★, FPS 17.8%, Shooter 12.2%, Action-Adventure 8.7%, Action 5.8%
You must find two items in a land of Aliens. Use stealth tactics and a weapon to complete your mission.
Why similar: Hero Shooter 43.9% ★, FPS 16.1%, Zombies 15.3%, Shooter 9.8%, First-Person 4.6%
El Virus is a first-person Survival Horror video game where the protagonist (Yara) wakes up alone surrounded by dangerous monsters created by a new strain of COVID-19. In addition to surviving, she must find her beloved pet, Nala, and her partner, Denki.
Why similar: Thriller 23.6%, FPS 14.8%, Zombies 10.2%, Shooter 8.8%, Action-Adventure 8.1%
A made for VR hero shooter with fast paced action powered by an advanced movement system that provides the player unparalleled freedom of movement. Sprint, jump, slide, dash, climb, vault, wall run and lean around cover for a true VR parkour experience while hunting down the enemy team.
Why similar: Hero Shooter 58.4% ★, FPS 20%, Shooter 10.7%, Action 5.7%, First-Person 4.7%
DEADBUS is a first-person post-apocalyptic shooter where you’re part of a cleanup unit sent to clear infected zones and rescue survivors. Manage limited ammo, hit your kill quota, and make it back to the bus before time runs out. Efficiency is survival, and the DEADBUS waits for no one.
Why similar: Hero Shooter 51.3% ★, FPS 18%, Shooter 9.3%, Zombies 7.9%, Action 3.9%
Work together or die alone! Fight to restore peace to London or tear it down for profit in the most challenging team based shooter around.
Why similar: Hero Shooter 70% ★, FPS 16.2%, Shooter 8.2%, Action 2.9%, First-Person 2.6%
Fast-paced zombie shooter with board-game style progression. Survive endless hordes, face bosses, and choose your path to collect all cure fragments. Upgrade 9 unique weapons, unlock powerful abilities, and fight to stop the Z Virus once and for all!
Why similar: Hero Shooter 24.1% ★, Zombies 20.9%, FPS 18.9%, Shooter 13.5%, Action 8.6%
A classic first-person shooter in which we have to survive among hordes of monsters and demonic creatures, eventually reaching Satan himself.
Why similar: Hero Shooter 38.7% ★, Zombies 17.4%, FPS 13.8%, Shooter 10%, Action-Adventure 7.1%
It’s your first day as a security guard for one of the most secure buildings in the city. But your first day becomes your worst day when an explosion rocks the building, blocking stairwells and disabling elevators.
Why similar: Hero Shooter 40.7% ★, FPS 17.1%, Shooter 10.9%, Action-Adventure 7.8%, Linear 6.7%
The Damned Office - An arcade first-person shooter (FPS) with survival-horror elements. Your task is survive in office building full of zombies. The only weapon you have is an old pistol, so you should use the available resources wisely. Explore the corridors, shoot zombies and just survive!
Why similar: FPS 30.1%, Zombies 23.8%, Shooter 16.5%, Linear 13.5%, First-Person 6.8%
What will happen if a person is overtaken by a global catastrophe during his daily routine? You can find out right now.
Why similar: FPS 29.8%, Zombies 22.6%, Shooter 16.2%, Linear 14.5%, Action 8.9%
As Rayne Williams, an elite agent of the D.I.B you were deployed into the zone. Your team is missing and you're surrounded by both paranormal nightmares and mercs. Guided by your partner Sam, you must survive this chaos and uncover the mystery of "Patient Zero".
Why similar: Hero Shooter 31.2% ★, Thriller 15.9%, FPS 13.3%, Shooter 8.3%, Female Protagonist 5.8%
Losted Mind is a linear shooter with horror elements. The game takes place in our time. The main character is a man experiencing mental problems, at some point, as it seems to him, beginning to lose touch with reality.
Why similar: Hero Shooter 39.3% ★, FPS 14%, Zombies 14%, Shooter 10.1%, Action-Adventure 7.3%
Dude The Dark Agent, klasik 90'lar FPS ruhunu modern özelliklerle buluşturan 2.5D aksiyon oyunu. Raycasting motoruyla işlenen yoğun orman haritalarında, düşman askerleri avla, antik heykelleri parçala ve her köşede seni bekleyen tehlikelere karşı hayatta kal.
Why similar: Hero Shooter 44.5% ★, FPS 15.4%, Thriller 9.6%, Shooter 9%, Linear 6.7%
Relicbound is a TPS story rich action adventure game where you play as Jackson an archeologist abducted by a sinister organization to help them find a precious relic which can manipulate the time.
Why similar: Hero Shooter 44.2% ★, Thriller 13.2%, Shooter 11.8%, Action 9%, Action-Adventure 8.9%
Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!
Why similar: Hero Shooter 83.8% ★, FPS 8.7%, Shooter 4.4%, Action 1.8%, First-Person 1.3%
A medium paced Waves / Arena shooter in VR
Why similar: Hero Shooter 45.9% ★, Zombies 19.7%, Shooter 13.5%, Action 10.1%, Linear 8.3%
The humans fled for their lives! Now only aliens remain in the city. Your name is Mark, a professional marksman. You have one mission, to kill the alien Queen! Your helicopter buddy will provide you with supplies during the mission. But this will not be easy...
Why similar: Hero Shooter 42.5% ★, FPS 15.6%, Zombies 12.3%, Shooter 9.3%, Action-Adventure 6.2%
One Last Toast is a single player retro-inspired action horror game set in a Venetian villa. Explore the intricate interiors, solve puzzles and battle relentless zombie hordes to reach the heart of the curse trapping you in this haunted estate.
Why similar: FPS 22.1%, Zombies 21.8%, Shooter 13.2%, Linear 11.2%, Action-Adventure 9%
Overdose WW2 is an FPS game set in the Second World War. It is a game that aims to offer an experience like 90s FPS games. Overdose comes with content that aims to offer you a long gameplay and nostalgia. The game is an FPS game set in the second world war.
Why similar: Hero Shooter 37.2% ★, FPS 22.5%, Shooter 11.3%, Action-Adventure 6.7%, First-Person 6%
You awaken on an unknown planet that has been devastated by a virus of some kind. Scavenge gear and get ready for a battle of survival. Do anything you can to live and find out the secret behind the tragedy of your new home. and find out what's wrong with it.
Why similar: FPS 21.8%, Zombies 21.4%, Shooter 14.8%, Thriller 13.9%, Action 10.5%
Get ready for an intense survival battle against an ever-growing horde of zombies. Play solo or co-op with friends, test your shooting skills and luck in this relentless combat and see how long you can stay alive.
Why similar: Hero Shooter 31.7% ★, Zombies 26.7%, FPS 13.5%, Shooter 9.1%, First-Person 4.4%
A comic style first person shooter where you use hacking tools to shoot code at enemies, collect items and complete quests.
Why similar: Hero Shooter 56% ★, FPS 19.7%, Shooter 11.5%, Action 5.9%, First-Person 4.7%
The city has been infected! Shoot and kill the zombie stickmen. Fast-paced arcade gameplay through dozens of bespoke levels. The stickman world needs your help - or at least for you not to die too quickly.
Why similar: Hero Shooter 55.9% ★, Zombies 14.7%, Shooter 11.7%, Action-Adventure 6.9%, Action 5.2%
CRAZLIPSE is a game where officer Stefan Vincenzo uncovers a zombie apocalypse at the "Starry Sky Tree." After meeting scientist Matheus, he’s teleported to a zombie-infested zone to survive and fight.
Why similar: Zombies 43.1%, FPS 21.9%, Shooter 15%, Action 10.3%, 3D 4.5%
Experience a battle for humanity’s survival in Time to the Frontline, a third-person shooter with fast‑paced combat, and in‑depth, narrative‑driven choices where soldiers travel through time to halt an alien invasion altering history. Fight between future wars to the Middle Ages, and shape fate.
Why similar: Hero Shooter 39.6% ★, FPS 15.3%, Shooter 9.5%, Linear 9.1%, Female Protagonist 7.3%
Action shooter with story elements.
Why similar: Hero Shooter 45.5% ★, FPS 20.4%, Shooter 13.5%, Action 9.5%, First-Person 4.1%
Left Alone at his workplace, Alex wasn't prepared for what's coming next. From finding keys, observing bloodcurdling scenes to solving puzzles, dealing with spine-chilling paranormal activities and coming up with strategies to solve multiple scenes Alex struggles to make it to his home.
Why similar: Hero Shooter 49.4% ★, FPS 19%, Shooter 10.8%, Action-Adventure 6.1%, Action 5.5%
Fight for survival in the horror FPS "Days End" amid the Xonobia Virus outbreak. Confront terrifying zombies, find weapons, and uncover chilling secrets. Thrills await!
Why similar: Hero Shooter 38.7% ★, FPS 15.8%, Shooter 10.5%, Zombies 9.2%, Action-Adventure 7.6%
Island of the Dead is a video game where you, the player, are stuck on an island full of zombies, to win, you must kill them all.
Why similar: FPS 26.9%, Zombies 20.5%, Action-Adventure 12.7%, Action 12.6%, Shooter 10.7%
For some unknown reason, the zombie virus has taken over the world and zombies are everywhere. The question is; This pandemic is unnatural?
Why similar: Zombies 29.7%, FPS 19.9%, Linear 10.4%, Action-Adventure 9.5%, Puzzle 7.4%
A third-person horror shooter game set in a remote mountain temple, where you play as an Inspector investigating a lost excavation team, uncovering a hidden conspiracy, brutal rituals, and a supernatural force buried beneath ancient structures.
Why similar: Hero Shooter 45.5% ★, Thriller 13%, Shooter 12.1%, Action-Adventure 9.1%, Action 9.1%
An unknown virus has turned most people into zombies. In this disaster, you unexpectedly discover a mysterious dragon egg, which seems to grant you immunity to the virus. Now, your mission is to protect this precious dragon egg and ensure it is not destroyed by hordes of zombies.
Why similar: Zombies 38.3%, FPS 30.3%, Shooter 12.9%, Action 6%, First-Person 4.4%
This game is a first person shooting game with a zombie theme, integrating elements such as first person shooting and fighting zombies. In the game, players are in a world plagued by zombies, collecting gem resources, purchasing attributes, and using weapons to eliminate zombies.
Why similar: Zombies 33.1%, FPS 27.5%, Shooter 18.3%, Action 13.2%, 3D 5.5%
Project Redsun is a zombie First person shooter. You have to defend yourself against hoards of zombies coming straight for you.
Why similar: FPS 27.1%, Zombies 26.2%, Shooter 18.5%, Action 13%, First-Person 6.9%
Eliminator: The Encapsuled Nemesis is an tactical single-player shooter for everyone. Sneak to hostile fortifications, destroy your foes, capture flags, collect new weapons and fight your way through enemy lines to crush their evil plans.
Why similar: Hero Shooter 47.6% ★, FPS 20.2%, Shooter 13.6%, Action 9.2%, First-Person 4.4%
Paladins is the ultimate fantasy team-based shooter experience, with over 50 customizable Champions fighting in 5v5 action across a diverse Realm of modes and maps!
Why similar: Hero Shooter 95.3% ★, FPS 2.4%, Shooter 1.3%, Action 0.5%, First-Person 0.4%
Fight your way through hordes of mutants and arm yourself with powerful weapons. Monster mayhem!
Why similar: Zombies 31.8%, FPS 26.3%, Shooter 17.9%, Action 12.6%, First-Person 7.4%
Dive headfirst into a nightmare in Heroine's Claw a spine-tingling horror game that thrusts players into the heart of an otherworldly terror. In this game, a seemingly innocent family inheritance quickly turns into a nightmarish trap set by a dangerous cult.
Why similar: Hero Shooter 53.7% ★, FPS 22.6%, Action 9.6%, First-Person 4.6%, 3D 4.1%