Top similar games like OSES:

Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.

TURK: The Demon Slayer - is an absolutely new and unusual 3D shooter with surviving elements where you have to fight to different evil spirits playing as Turk, the church messenger.

Endless Deaths is a thrilling top-down twin-stick shooter rogue-like set in a zombie apocalypse. Fight through procedurally generated levels, upgrade your gear, and survive relentless hordes. Choose unique characters, master special abilities, and battle with a diverse arsenal of weapons!

Without Pain - is a dynamic 2D shooter with surviving elements where you will have to fight against various types of monsters.

Bad Business is an extremely challenging top-down tactical shooter game where Mr. Bunny Rabbit, a hitman for the Mob, has been tasked to neutralize the rival Gang. A hard task for any organization, an impossible task for a hitman.

Defend your fortified barricade by night, collect weapons and conduct repairs by day. Survive long enough to make your way through America and towards rescue.

PlagueStead is a half farming sim, half action survival game. You are a farmer who watches the apocalypse arise from the comfort of your farm. Seeds are now becoming radioactive, growing into guns, ammunition, and even chickens. A rescue helicopter will arrive in 5 days, survive until then.  

PSYCHO - is an exciting 3D shooter with hardcore elements where you will explore an abandoned psychiatric hospital playing as a fighter SWAT.

Z.O.M.B.I.E. - is an unusual 3D shooter with surviving elements where you will have to survive in a zombie apocalypse, playing as a girl named Zoe.

WILD WEST - is a hardcore 3D shooter with survival elements where you will have to fight various enemies playing as a sheriff James.

it's a refreshing third-person overhead shooting game. four chapters, 10 levels in each chapter, total of 40 levels. various of weapons, enemies, BOSS battles make the level challenging. also have various props, trap mechanism. This game lets you feel refreshing and the achievement of success.

Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.

You left alone camping in the mountains ... But during this time a virus has invaded the country and a cubic horde is heading towards you!

Zombie In Town is an action packed tower defense game in which you play as a boy who tries to defend his town from zombies invasion.

Fogreaver is an intense survival-action game set in a post-apocalyptic world overrun by zombies. As a lone survivor, you must fight through relentless hordes, clearing each area to unlock new battlegrounds. Armed with powerful weapons, you’ll face increasingly difficult challenges.

REBEL - is a 3D shooter with surviving elements where you will have to fight with a prison rebel.

"Until Zombies Down" is a top-down roughlike shooting game.Eliminate zombies in different environments and locations.Whether day and night or blizzards and sandstorms.Upgrade yourself in action,buy items to improve your system.Complete the goal and come back alive to earn rewards.

The core objective of the game is to improve your skills and develop your character. The game begins with a simple premise: Escape the dungeon. The true test comes when the high score mode is unlocked.

Easy game for easy life. Enjoy.

Drug dealer Butch slays hordes of living dead to save a girl. Garage is a bloody topdown shooter inspired by VHS era B-movies.

Become an interdimensional zombie slayer in Temporal Purge: Z, an action-packed zombie-survival FPS. Face the zombie onslaught as you eradicate countless undead monsters on your quest to save the future.

Smoked Gun - is a hardcore 3D shooter with surviving elements done as DOOM, where you will have to fight against the whole criminal world alone, against mafia.

Quite a different zombie game - this time YOU are the zombie! Command your infested comrades, fight your way to freedom and let the zombie kind dominate the world! Oh, and you're able to create your own scenarios!

Shadow of Egypt - is an adventurous 3D shooter with surviving and hardcore elements where you will fight with ancient Egyptian evil.

Dead Rush is an FPS arcade shooter that combines fast-paced action, stylized visuals, and relentless waves of zombies. Choose your weapon, fight with friends, and see how long you can survive.

A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.

Survive waves of zombies with various heroes, unlocking increasingly powerful weapons in a post-apocalyptic world with escalating difficulty. Gain experience and complete challenges in this third-person bullet hell.

On Halloween, UFO‘s appeared over the peaceful town of Shady Hill. Soon after, the undead neighborhood raises from their graves. Four heroes take on the impossible task: to fight back the evil invaders!

Zombies & Bullets is a 3D top-down action shooter game where you must help the soldiers Jacob and Erin face armies of zombies in varied levels full of challenges. Prove your skills and become the warrior of the zombie apocalypse!

Line of War - is a classic 3D shooter with surviving elements where the story of one military man during the Vietnam War is told.