Top similar games like Apocryph: an old-school shooter:

Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.

3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, are excited to team up with Voidpoint to bring back the legendary Build Engine, famously known for classic first-person shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Ion Fury is the real deal!

Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

Join private investigator Jack Pepper on a guns blazing, jazz-fueled adventure in MOUSE: P.I. For Hire. MOUSE combines the charm of hand-drawn rubber hose animation inspired by the classic cartoons of the 1930’s with the adrenaline and action of an explosive first person shooter.

BLOW-UP: AVENGE HUMANITY is a single-player fast paced first person shooter campaign where you take control of an industrial robot rewired by the last human being to violently dispatch the alien race accountable for Earth’s destruction. Are you ready to become the ultimate avenger?

Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.

Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.

HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.

COVEN is a hyper-violent retro FPS where your path of vengeance will take you across time and space. Destroy your enemies and eat their flesh.

Unit Zero is a first-person multiplayer shooter with realistic bodycam-style graphics made in Unreal Engine 5. Includes competitive and cooperative zombie modes. Investigate what went wrong in the secret operation that unleashed the nightmare.

Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!

V.R.G. is a FPS cross between a retro-style and a modern-style , Defeat enemies and get combos to improve operability, and eat scatter pieces of meat to recover.

Forgive Me Father is a dark retro horror FPS set in a comic book style world inspired by the novels of H.P. Lovecraft. As the only one left with full senses, you begin a journey in search of answers and relief. How long can you last?

The chaos will never end. Decimate your enemies, fight against hordes of invaders who know no mercy. Dozens of enemy types await you. Old comrades will stand in your way. Shoot first and never ask questions.

A fast run and gun horror shooter with roguelike elements

Bunker Breakout is a gritty, toon-shaded 2.5D shooter where a desperate father fights his way through a crumbling underground bunker to reunite with his family. Battle unique enemies, scavenge scarce resources, and survive a collapsing world in this emotional, action-packed journey to the surface.

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

Sinned Arena is a classic arena shooter inspired by timeless 90s games. You are trapped in Hell with other unfortunate souls, fighting among each other for demons twisted pleasures. Fight for your way out this dark place but beware, demons aren't there just to watch.

In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED?

Shrine II is a retro FPS game with a focus on atmosphere and exploration. Explore a nightmarish world and battle great bosses where the surprises never end...