Top similar games like Operator Ace's Simple Infinite Survival:

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

Stay close together and use teamwork to fight through hordes of infected and other mutated freaks while navigating between saferooms.

NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

WASTED Bloodline is a first-person shooter with stunning graphics, singleplayer botmatch mode, online multiplayer, and cooperative play, featuring long-term support.

Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

Sin Survivor is a wave-based, first-person co-operative or single-player shooter based in a post-apocalyptic world overrun with blood-hungry, satanic demons.

The Grip of Madness is a multiplayer cooperative FPS where your teammates can betray you at any time. Shoot your way through hordes of monsters, gather clues, and complete the ritual to stop their invasion.

Demonolition is a co-op shooter where you and your friends fight endless waves of demons. Kill enemies, earn cash, unlock weapons and perks, and explore new areas. The longer you survive, the crazier it gets. How long can you last against the monster onslaught?

In a free, add-on mod for Killing Floor, created by David Hensley (with help from Killing Floor originator, Alex Quick), you can fight off the bizarre and warped toys of someone's nightmare, that are hell-bent on finishing you off. All the standard Zeds are replaced with evil toys, set in the Devil's Dollhouse map.

Escape From Zombies is played alone or in cooperation, on a map where the player(s) must repel waves of zombies. It should be noted that the game does not end until all players are dead, the main goal is to beat the record of survived round.

Welcome to the zombie apocalypse experience of a lifetime – more beautiful than ever. Caught in an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive!

Hello Space Survivors, this is little shooter game. Which is now most about shooting zombies but pvp will hopefully follow. Please also read the long description.

Dead Alliance™ is a fast-paced, multiplayer first-person zombie shooter set in a post-apocalyptic world, where former military bases have been turned into the only remaining city-states.

Corpse City throws you into a relentless fight for survival against endless waves of the undead. Feel the tension rise with every shot, the adrenaline rush as you’re cornered, and the thrill of making it out alive. How long can you survive the nightmare?

A strange fog rise up. You grabbed your shotgun when you heard a voice outside. Wtf Zombies. Try to stay alive for 5 minutes and kill them all to win and unlock next difficulty level.

In this genre-bending space shooter, you will be faced with infinite waves of alien attack ships, giant capital ships, many intense races to complete, classic first person shooter modes to play & much more. Do this alone or with friends in multiplayer.

Enter a zombie-infested area and compete as one of 12 players to become the only survivor - or make a team and fight for survival together.

Survive the living dead for as long as you are able! Room Invaderz is a wave-based survival game where you and your comrades kill zombies, earn points, and do your best to upgrade your arsenal to see how long you can delay the inevitable.

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

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.

City Massacre is a free-to-play zombie-survival FPS. Take part in survival competition in the locked city. Play solo or as a team, earn money and popularity. To win in the “City Massacre” means to get right for worthy and carefree life.

Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.

Step into DEAD METRO, where each boundary hides a new world. Survive relentless zombies, shifting landscapes, and unpredictable alliances. Adapt or perish.

L.O.S.T. is a 4-player co-op survival game. Work together, scavenge resources, and do whatever it takes to escape before it’s too late.

Dead On Duty: Red Dawn offers you a unique sandbox to expand upon with over 25 firearms, 4 melee weapons, 13 perks and 11 map! Play as a mercenary to survive against endless hordes of undead in the chaotic world of Dead On Duty: Red Dawn! 

Cursed Dawn is a wave survival FPS featuring complex maps packed with secrets, dynamic spawns, and hordes of zombies to turn into gory mulch. Plan your defense, stay on the move, and master the maps. Remember: Nowhere is safe, death is assured, how long until you're zombie chow?

SCP: Fractured Reality is a co-op VR horror shooter set in the SCP universe. Players must work together—as well as against each other—to survive the many horrors lurking in Site 97’s depths.

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.

London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

Unit Zero is a first-person multiplayer shooter with realistic bodycam-style graphics made in Unreal Engine 5. Includes competitive and cooperative zombie modes. Investigate what went wrong in the secret operation that unleashed the nightmare.

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?

No More Room in Hell 2 is a terrifying 8 player co-op action horror experience. Find your friends in the dark and survive - in a dynamic, endlessly replayable zombie apocalypse.

Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.

Z1 Battle Royale is a Free to Play, fast-paced, action arcade, competitive Battle Royale. Staying true to its "King of the Kill" roots, the game has been revamped and restored to the classic feel, look, and gameplay everyone fell in love with. Play solo, duos, or fives and be the last ones standing.