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

It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.

Monster Showdown is an action packed VR shooter. Increase your chances of survival against an ever growing horde of monster by exploring your environment and strengthening yourself by picking up Perks, Ranged Weapons and Melee Weapons.

In a galaxy far away a world is facing doomsday. As nations rise against each other the world is plunged into chaos. Many illegal groups such as gangs and independent militias and demonic cults take the advantage of the situation to expand. Your task is to assassinate a demon dubbed Lord of Terror.

Fluffy Bastards is a FPS in a grotesque fantasy world where you play as Theodore, a humble gamekeeper. The goal of the game is to destroy all rabbits that stand in your way and save the world. Do quests, get the best weapons, and find out how to stop the invasion of bloodthirsty rabbits! Damn you!

1-16 Player COMBAT ZONE & 1-4 Player COOP Zombie Wave Survival in Comic style. Singleplayer and Multiplayer Playthrough. Get ready for GUNWATCH: Conflict Survival!

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.

Be permeated by the adrenaline-pumping gameplay worthy of the most famous shooters and survive the rise of madness! Experience the chaos and human perversion firsthand. This adventure will take you from the dark streets of DreamCity to the higher floors of the corporations that control it.

Collect crazy power-ups, upgrade your weapons into tools of destruction, and escape from the robotic zombie horde - alone, or with friends.

Pathogen: Survival is an arcadey wave based FPS zombie game that prioritises progression and customisation.

Build, shoot, repair, upgrade! 1-4 players build and defend a barricade from waves of zombies that will tear through your barricade to devour you in this retro FPS.

Containment Initiative is a local co-op VR shooter which can be played by two people on the same PC. Kill zombies alone in VR or have a friend cover you by using the mouse and keyboard. Features include realistic weapon reloading as well as a variety of unlockable guns, upgrades, and loot to find.

Trapped within the confines of a decaying metropolis, you are a nameless prisoner in a world teetering on the edge. In this first-person, retro-styled Metroidvania, your mission is to battle against the onslaught of cybernetic horrors and escape the city's grip.

Mutant Ops is a low poly co-op shooter. Go in alone or with friends and survive endless waves of mutants and monsters.

Scour through the fallen foundry, obscuring enemies and creatures whilst plundering to your death, get ripped apart or circumvent through harsh environments and traps. Let the gun do the talking, so sit back, relax and blow everything to pieces.

Monster Showdown: Prologue is the first 3 maps of an action packed VR shooter. Increase your chances of survival against an ever growing horde of monster by exploring your environment and strengthening yourself by picking up Perks, Ranged Weapons and Melee Weapons.

Survive an onslaught of cult adherents that worship a mysterious beverage

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.

Shell Soldier is an intense first person game that takes place in a dystopian future. Featuring frenetic firefights with a diverse set of enemy combatants ranging from tactics to weaponry, and also a large variety of deadly weapons at your disposal.

Hellbreach: Vegas is a Wave-based First-Person Shooter! How long can you survive as hordes of Demons invade Vegas? Kill, Earn Cash and take a spin on fruit machines to survive till the next round! Play solo or in a team of up to four and escape the hellbreach… Are you ready to try your chances?

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.

The Walking Zombie is a stationary FPS with an online co-op mode in a world full of zombies to kill. Buy and upgrade your weapons, kill all enemies in 200 levels and destroy mighty boss monsters before they eat you alive!

Dead Containment is an on-rails shooter inspired by classic arcade games. Players fend off the undead as they race through a city under siege, blasting away the horrors that roam the streets using a variety of weapons. Playable solo or online co-op.

Half Alive is a Low Poly Multiplayer FPS Game. Survive each round of zombies after which a more difficult round begins. Enlarge your playing area and your weapons backpack to provide yourself good chances of survival !

Free the world from a Skibidi Toilet invasion. You will be challenged in a variety of locations and environments.

Destroy property, kill companies, run fast, and punch opposing workers in this fast-paced first person shooter.

Everlife is a fast-paced maze game where you use mystical abilities to collect stars from several unique environments and escape them without being killed.