Top similar games like Simulacrum:

Wraith is a hardcore roguelike FPS designed to test your determination and skills. Learn to fight the variety of enemies and to master the movement.

A fast-paced one-versus-one FPS where a single hit means instant death. Destroy opponents in seconds, dashing around tightly-constructed arenas with an ultra-powerful shotgun. Configure *everything* in an extensive in-game console menu. There are two colors - alive and red.

KILLFLOW is an insanely fast retro-FPS set in a stylish procedurally generating world. Destroy red psychopaths with destructive weapons to save yourself from getting corrupted, and get the high score.

Eternal Challenger is a roguelite boomer shooter which aims to create retro style combat experiences and visuals with modern systems which randomize and create content.

One touch kills you. Your timer is your score. Neon wireframe horrors swarm from infinite darkness. Shatter them, harvest their essence, forge your daggers through 5 tiers of devastation. Bunny hop the void. Dagger jump to survive. Prove your skill on Steam leaderboards. For fans of Devil Daggers.

Swarmlake is an ultra-intense first-person shooter ballet about fighting a record-breaking swarm.

P World is a Pachinko-Action FPS game. Collect pinballs and shoot them into a gigantic pachinko machine to unleash the power. Drive into cyber world and fire your souls to survive against endless waves of DIGITAL GHOST ™.

CASCADE is a stylish first-person roguelite with a focus on blazingly fast movement. Slide from surface to surface, unlock and upgrade abilities and face otherworldly enemies and bosses, all while exploring a corrupted digital space. But don't forget: Always keep on moving!

We're in lockdown and you're our only hope! Grab your blaster, ready the cure and prepare to face the virus head on in this frantic, wacky and wild hospital. Don't be fooled, this is a task for only the best out there. Think you have what it takes?

OMFG: One Million Fatal Guns kicks back into action in this fast-paced, over-the-top, roguelike, first person shooter. Shoot your way through a robot-hijacked space station, collecting more and more powerful guns as you go. There are over 30 million differently named guns at your disposal!

Cosmic Zephyr DX is a fast-paced 3D bullet hell game, where you duel with angels as you soar through space.

Primordial Pain is a brutally unforgiving, fast paced arena shooter with one key mechanic: Pain. Perform an elegant dance on the fine line between maximum power and certain death.

HYPER DEMON is an FPS like no other. a pearl of lightning. a dream from the future. a drop of poison. a swan song. The faster you slay demons, the harder the game and the higher your score. There is an end. Will it see you?

AIR STRAFE, ROCKET JUMP, and SURF your way through dimensions in this HYPER-intensive skill-based movement shooter of old. The onslaught of foes in your way are invading worlds, and the only way to stop them is to show you will be FATAL.

Blitz and Pieces is a retro FPS boomer shooter with a focus on movement and interesting weapon combos.

In this Bullet Hell shooter, the more enemies you shoot, the more enemies spawn! Keep moving so you don't get surrounded, and shoot enough enemies to clear each level.

Endless action!

Deliver justice viscerally, in a frenetic 3d fps old school style where every bullet counts, slide, cover and shoot don't leave anyone alive, you're judge jury and executioner

Venture into an unknown world in this first-person arena shooter. Tread on paths none have walked before and search for secrets to upgrade your weapons. Wield a sword and wand to face hordes of slimes gone mad. Meet curious characters and become the hero which Slimetopia awaits.

A fast-paced FPS where you can Shoot Yourself to make bullets stronger. Prioritize, Move Fast, and Shoot Yourself to Fight the overwhelming amount of enemies. Inspired by modern boomer shooters.

kipi oppi is a tiny first-person shooter about juggling a ball with rockets.

RAYZE is an AIM RACER. Hit a target to accelerate. Miss and you slow down. Hit a wall and lose. Find the fastest route. Get to the finish line. Simple? Yes. Easy? Hell no. Ready? 3... 2... 1... Let's RAYZE!

Immortal Redneck is a FPS set in Egypt with rogue-lite elements. Frantic gameplay, twitch controls and an arcade-style feel meet randomly generated dungeons, a complete skill tree, permanent death and 9 classes with different traits.

Pandora is an arena shooter with a retro-style gaming experience. Engage in a relentless battle against hordes of demons. Use your magic abilities to defeat enemies and dominate the arena. Collect crystals, ascend to new heights of power and unleash devastating attacks upon your foes.

Heavenstrafer is a fast paced movement shooter with a gun combo system that rewards aggressiveness and experimentation. Explore the ruins of hell and destroy angels (and demons) across three chapters filled with compact but challenging arenas.