Games like Z.I.O.N.

A fast paced silly cutegore FPS! Earth has been taken over by demons. A catgirl codenamed MeowMeow fights back! MEOW, GUN, CLAW and BLOW UP hordes of evil demons, zombies, and other monsters in colorful environments with tons of weapons! The game runs on the FTEQW engine.

Join the persistent open world of OZERSK! Choose your way to play on PvE or PvP servers, fight for precious loot and gear, and risk it all in a hostile environment. Die, lose all your gear and loot, then return to the same server in hopes of retrieving what you lost. This is your story!

『UNBOUND PROVIDENCE』はレトロな3Dダンジョン探索アクションRPG。鉱山から繋がった未知の迷宮を探索しよう！

Pilot devastating combat mechs, fly through massive sci-fi battlefields, unleash tactical nukes, and destroy enemy machines in this fast-paced arcade FPS built for chaos, speed, and domination

After a deadly virus left humanity paralyzed, survivors now battle on wheels! Customize your rig, sharpen your aim, and roll into fast-paced wheelchair warfare across multiple maps and modes. Join the fight!

An old-school shooter inspired by Wolfenstein 3D. You are one of the prisoners of an ancient prison. There is no one to help you. You only have yourself to rely on. Your shotgun. Against hordes of enemies. Animal rage and the desire to kill. Destroy Them All!

Play a major role in an evolving simulation of simulations. Explore endless 2D and 3D dimensions spanning nearly every game genre, with 50+ experimental prototypes and stories whose worlds, systems, discoveries, and ideas can become part of the greater experience.

A first-person shooter meets quarantine inspection in post-apocalyptic Chicago. You’ve got 30 days until the army arrives. Hold out, fix your car, and fight your way through Chicago to the main checkpoint to save your little brother.

RoundZ is a solo-developed round-based survival zombie game, with each round becoming progressively harder as the zombies get more health and in bigger waves. 

Fight through forgotten WWII bunkers and Cold War black sites, battling rival forces to uncover lost esoteric technology buried from history. Every firefight brings you closer to secrets that were never meant to resurface—and powers that could rewrite the modern world.

An asteroid is hurtling toward the planet! Sneak, scavenge and blast your way through an immersive prehistoric world filled with Humans, Dinosaurs, Droids and Mother Nature’s fury!

You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

No More Room in Hell 2 is an intense 8 player zombie shooter. Overcome the endless undead. Avoid infection. Survive hell together.

Sport meets slaughter in this roguelite arena FPS. Use lethal sports equipment to crush B-movie monsters. Combine upgrades, perfect your build, perfect your skills, and face the ultimate evil bosses. Play ball... or die trying.

Stack ridiculous power-ups infinitely in this retro-inspired FPS Bullet Heaven. Build completely broken combinations as you go from a lowly demon hunter to an unstoppable demon-slaying GOD. Includes Story Mode with multiple endings and Endless Mode.

MASTER YOUR MOVEMENT. VANQUISH THE VERMIN. Experience all the exhilarating high-intensity action you know and love from arena shooters up close and personal in VR. Zero in your aim, hone your movement, outwit the vermin, and soon you’ll be flying through levels leaving a wake of destruction.

ASCEND and claim your rightful place as the Hand of the Empress. Become AB3, an immortal super soldier, in this action packed first-person shooter that combines old school style with new era gunplay.

Open world zombie survival Coop game with base building, looting, crafting, vehicles, and exploration.