Top similar games like The Citadel:

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.

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.

Make mincemeat out of cults and chop heads with machetes! Old school shooter staples and gals, and a familiar difficulty level. Ye shall witness a new struggle!

GAL VS VILLAGE is an GAL like old-school FPS. You play as Kessenji “Blood-sucker” Yui, infiltrate the village, and must bring the situation under control. Move at high speed, swing your knife, blast away with the shotgun, and drive away the supernatural!!!!!!

Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

A retrowave/mecha-inspired sci-fi first-person shooter featuring fast-paced combat in old-school style open-plan levels packed with pickups, keys, and secrets.

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.

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.

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.

Introducing the Master Levels for DOOM II. Twenty never-before-seen levels all with the same acid drenched, hell spawned horror of the originals. Each was created by independent designers and supervised by the demented minds of id Software. You might as well forget about seeing the light of day ever again.

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.

The Apogee Throwback Pack is a collection of four classic Apogee Software titles all in one kick ass package. Blast your way across the galaxy as British Special Agent Blake Stone in "Aliens of Gold" and "Planet Strike", then take on an ancient evil menace as the H.U.N.T in "Rise of the Triad".

3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!

Borrowhelen is a 90s-style first-person shooter set in a fantastical realm like no other. As the brilliant scientist Ordin Gilbellt, you dive into battle against cultists and mythical creatures, wielding powerful and unique weapons.

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?

Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.

You are part of an elite group of operatives called HUNT (High-risk United Nations Taskforce), and you must stop a maniac cult leader from killing millions of people. You are equipped with high-tech weaponry and magical instruments that defy description to invade the monastery and stop the madness.

Dino Trauma introduces you to a secret laboratory somewhere in eastern Europe where gore and dinosaurs aren't unusual things. Retro FPS inspired by the '90s legends.

Years into a brutal lockdown, a once-thriving city lies in ruins, abandoned by its government and overrun by vicious, mindless infected. Grab your hammer, collect your nerves and enter the mayhem.

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.

Gravelord is a fast-paced boomer shooter voiced by a badass protagonist featuring hand-crafted levels filled with secrets and hordes of enemies to kill. Dish out some brutal carnage with powerful guns and collect Tarot Cards to gain even more killing power. Let's put the fun back in funeral!

The veil between life and death is shattered. Corpses walk, the earth trembles, and chaos reigns. As the Undertaker, your duty is clear return the dead to the dead by any means necessary. Inspired by classic FPS games like DOOM and Blood fast-paced action in a world gone mad.

Obliterate heretics in the name of the Emperor in Warhammer 40,000: Boltgun 2! Play as Ultramarine Malum Caedo or Sister of Battle Nyra Veyrath in this sequel to retro FPS Warhammer 40,000: Boltgun with MORE enemies, MORE weapons, and NEW ways to purge!

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?

Play as a hacker backing up Misha—whose brain has been transplanted into a sexyroid—as you face off against all threats that stand in your way in this cyberpunk FPS.

A retro first-person shooter inspired by classics of the '90s mixed with a dungeon crawler. Fight your way through randomly-generated levels and uncover the secrets of an abandoned research station for interdimensional travel.

Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.

Grab your sawed-off, cast some sigils, and face the never ending nightmare head on in Venison County. Blast your old neighbors into undead venison giblets, master weapon specific active reloads, and limitlessly combine slain cultists' sigils for their sinful buffs (if you can withstand God's wrath).

Inspired by the original DOOM, this is a grounded, no-jump boomer shooter. Play as Madeline, a thief invading a desolate, abandoned complex to claim a legendary prize. Battle through a legion of killer rogue-AI-infested toys, find secret prizes. No mercy. Pure old-school carnage.

Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!