Top similar games like Third Defender:

Fight through escalating waves of zombies in a singleplayer survival FPS. Buy weapons, manage your ammo, and see how long you can survive against the undead horde.

Hellbreach: Vegas is a Wave-based First-Person Shooter for 1-4 players, made with passion by a one man dev team! Set your loadout, kill, and earn cash. Take a spin on the various slot machines and level up to improve your survival chances. Are you ready to try your luck?

Multiplayer game featuring Zombie Game mode. Earn credits to buy better weapon, find rare or common pickups, upgrade health and armor, and survive to level up and unlock beautiful maps.

Shoot,Kill,Buy,Adapt,Keep going and Win. Zomb'Invasion is an FPS multiplayer wave zombie shooter game where you need to defeat a countless number of zombies in chaotic conditions!

Defend, survive, unlock, interact, upgrade and eliminate all zombies. A first person shooter game against zombies.

An intense round-based zombie survival FPS, play solo or co-op. Shoot your way through relentless waves of vicious horrors with high-octane objectives, upgrading steampunk weapons, collecting Celtic God powers, and surviving the onslaught of the Quiet Ones.

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.

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.

Not Deat Yet is a 1-4 player co-op, fast-paced, rogue-lite FPS, with elements of deck-building and strategy that will test your skills in creating your own build while having to manage your resources and survive restless waves of zombies.

A world where the living envy the dead. Cities are plunged into darkness, the world into silence. You are part of the extraction team, but this time you are trying to save not just people, but humanity itself. Gear up, trust your comrades, and dive into the darkness to save humanity!

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.

Hunt Asylum Together is a 1-4 player co-op horror action game. Use your radar to find hidden cursed books inside an abandoned asylum, fight terrifying enemies with weapons and melee attacks, and work together to break the curse. But be careful — the past is still alive inside these walls.

If you like challenges, complete the ten levels available in its five difficulty modes to overcome the objective proposed by Viral Execution. Manage your ammunition well and get all the antidotes before the time runs out.

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.

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.

Deadfall Adventures is an action-driven first-person shooter, spiced up with elements from action-adventure games. Become an adventurer, hunt for treasures, explore unknown regions of the world and rescue the damsel in distress from the clutches of enemies, both earthly and not-so-earthly.

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.

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!

Multiplayer game with the ability to connect via LAN or Internet. Fight monsters alone or with friends. Find weapons and ammunition during the game or buy them in the store. Different game modes.

Winner of 2010′s Make Something Unreal contest, The Haunted: Hells Reach is a fast-paced horror game where your goal is to liberate cursed places and survive the assault of Hell.

Few years after the apocalypse, a tsunami of zombies is heading towards you! how far will you get?

Dead On Duty brings the golden era of wave-based zombie shooters to PC with a focus on fast-paced gunplay, tactical progression, and intense cooperative action. Whether you're a lone wolf or a squad leader, every round is a test of your reflexes and resource management.

Bloodlit is a hardcore first-person shooter designed to unite slow-paced oppressive survival horror tension with fast-paced reflex-driven close-quarters combat. Carve your path through the blood and ruin. Regret is for the dead.

Shoot things, kill things, collect things, destroy things, and explore in the island of Starnex. Starnex is filled with strange creatures, characters, and monsters. Find and defeat all four bosses and escape!

What will you do when the zombie apocalypse comes, are you ready to tackle it right now and stay face to face with all the horrors that will appear?

A co-op zombie horde shooter set in a West Yorkshire town gone very, very wrong. Fight off waves of the undead, collect coins, buy bigger weapons, and uncover the dark secret rotting at the heart of Brumley. Up to 8 players. No survivors expected.