Games Like The Citadel

ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.

Why similar: Boomer Shooter 27.5% ★, Gore 24%, FPS 23%, Retro 8.3%, Old School 6.6%

Why You'll Like It: Offers an incredibly fast-paced, high-skill movement system paired with the same brutal, gore-filled combat found in The Citadel.

Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.

Why similar: Boomer Shooter 24.7% ★, FPS 19.1%, Gore 12.6%, Retro 12.3%, Old School 11.4%

Why You'll Like It: A masterclass in modern retro design that mirrors the fast, responsive, and atmospheric combat of 90s classics.

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.

Why similar: Boomer Shooter 28.2% ★, FPS 19.1%, Old School 13.7%, Gore 9.9%, Retro 8.4%

Why You'll Like It: Provides a highly atmospheric and tactical take on the boomer shooter genre with satisfying, punchy gunplay.

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!

Why similar: Boomer Shooter 27.6% ★, FPS 24.2%, Gore 11.3%, Retro 9%, Violent 8.4%

Why You'll Like It: Features intense, high-octane action and a cyberpunk aesthetic that perfectly matches the high-energy intensity of retro shooters.

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.

Why similar: FPS 22%, Boomer Shooter 17.8% ★, Retro 15.8%, Gore 10.9%, Old School 10%

Why You'll Like It: Captures the authentic, gritty atmosphere of 90s Eastern European shooters with a unique, bleak, and old-school visual style.

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!

Why similar: Boomer Shooter 24% ★, FPS 18.3%, Old School 10.9%, Retro 10.9%, Violent 9%

Why You'll Like It: Built on the classic Build engine, it offers an authentic 2.5D experience with dense level design and high-octane action.

Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

Why similar: Boomer Shooter 24.5% ★, FPS 18.6%, Gore 12.1%, Retro 11.8%, Violent 9.4%

Why You'll Like It: Uses the Quake engine to deliver a dark, challenging, and fast-paced experience that feels like a lost relic from the 90s.

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.

Why similar: Boomer Shooter 29.4% ★, FPS 22.9%, Retro 13.8%, Gore 13.7%, Violent 7.6%

Why You'll Like It: Blends modern rendering techniques with classic, visceral shooter mechanics to create a high-fidelity retro experience.

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.

Why similar: Boomer Shooter 16.5% ★, FPS 16.2%, Gore 12%, 2.5D 10.9%, Old School 10.4%

Why You'll Like It: Focuses on advanced AI and environmental destruction while maintaining the tight, satisfying gunplay of a classic boomer shooter.

A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.

Why similar: Boomer Shooter 22.4% ★, FPS 18.3%, Old School 15.3%, Retro 10.1%, Shooter 7.5%

Why You'll Like It: Combines classic FPS mechanics with magical weaponry and expansive, surreal level design reminiscent of the 90s era.

Zan and her orc sisters must fight to save their homeland from a demonic invasion! Immerse yourself in a sprawling underground world where the rich lore, exploration and puzzles of classic adventure games blend with the visceral combat of a 90s' shooter.

Why similar: Boomer Shooter 19.6% ★, FPS 19.2%, 2.5D 13.9%, Retro 12.1%, Old School 12%

Why You'll Like It: Features a unique dark fantasy aesthetic and complex level design that rewards exploration and aggressive play.

Beyond Citadel is an anime style retro throwback shooter inspired by the classics of the 90's, with realistic gunplay mechanics, anime violence and fast paced combat. Fight your way through the heavily armed mechanical fortress and discover the secret that lies beneath.

Why similar: Boomer Shooter 20.9% ★, FPS 17.7%, Gore 14%, 2.5D 11.4%, Anime 8.5%

Why You'll Like It: A direct spiritual successor that continues the brutal, anime-inspired, and 2.5D action of the original game.

Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.

Why similar: Boomer Shooter 26.7% ★, FPS 18.8%, Retro 11.5%, Violent 10.9%, Old School 10.2%

Why You'll Like It: Integrates looter-shooter mechanics with retro-styled combat, offering a chaotic and highly replayable experience.

Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!

Why similar: Boomer Shooter 23.5% ★, FPS 15.2%, Gore 11.7%, Old School 10.2%, Retro 9.5%

Why You'll Like It: Combines fast-paced movement with bullet-time mechanics, providing a modern twist on the classic arena-shooter formula.

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?

Why similar: Boomer Shooter 26.2% ★, FPS 23.6%, Gore 12.2%, Retro 10.6%, Violent 8%

Why You'll Like It: Utilizes a striking comic-book art style and Lovecraftian themes to create a distinct and intense shooter experience.

Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.

Why similar: Boomer Shooter 26.7% ★, FPS 18.4%, Retro 12.2%, Old School 11.7%, Shooter 9.5%

Why You'll Like It: Focuses on extreme speed and over-the-top gore, making it a perfect match for players who enjoy the violent nature of The Citadel.

Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.

Why similar: Boomer Shooter 25.8% ★, FPS 20.6%, Gore 15.3%, Retro 10.8%, Old School 10%

Why You'll Like It: A love letter to the genre that captures the essence of classic shooters with its pixelated visuals and diverse arsenal.

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.

Why similar: Boomer Shooter 20.8% ★, FPS 16.3%, Gore 15.5%, Old School 12.6%, Violent 8.7%

Why You'll Like It: Features a dark, occult-themed aesthetic and brutal combat mechanics that feel right at home in the boomer shooter genre.

Ultraviolent, fast-paced, merciless retro FPS action. Slaughter your way through nightmarish industrial mazes, transformed cityscapes, and surreal alien structures to cut down the Growth.

Why similar: Boomer Shooter 21.7% ★, FPS 16.1%, Old School 12.9%, Gore 12.1%, Retro 10.6%

Why You'll Like It: A gritty, 90s-inspired shooter that prioritizes fast movement and visceral, satisfying combat against grotesque enemies.

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.

Why similar: FPS 18%, Gore 12.6%, Old School 12.4%, Boomer Shooter 10.8% ★, Retro 10.8%

Why You'll Like It: A faithful remaster of a classic 90s shooter that offers a challenging and authentic old-school experience.

Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.

Why similar: Boomer Shooter 21.8% ★, FPS 12.6%, Old School 11.7%, Gore 11.5%, 2.5D 9.8%

Why You'll Like It: Expands on the original with verticality and more complex level design while retaining the classic, fast-paced shooter feel.

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Why similar: Boomer Shooter 28.8% ★, FPS 21%, Retro 12.8%, 1990's 8.1%, Female Protagonist 7%

Why You'll Like It: Delivers a pure, high-octane retro experience with a focus on fast movement and challenging, old-school combat encounters.

MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

Why similar: Boomer Shooter 24.9% ★, FPS 21.5%, 2.5D 13.4%, Anime 9.6%, Retro 8%

Why You'll Like It: An anime-inspired, high-speed shooter that emphasizes style and rapid-fire combat in a vibrant, retro-futuristic setting.

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.

Why similar: Boomer Shooter 31.6% ★, FPS 19.3%, Retro 9.8%, Old School 9.2%, Gore 8.4%

Why You'll Like It: Captures the weight and power of classic shooters with a heavy emphasis on gore and relentless, fast-paced action.

Shelly “Bombshell” Harrison is back in this highly interactive mix of first person action and road movie adventure. Embark on an adrenaline-fueled journey around the USA. Use an enormous arsenal of weapons and skills to battle treacherous soldiers and vile mutants, all while trying to save mankind.

Why similar: FPS 20.9%, Old School 17%, 2.5D 13.7%, Retro 10.7%, 1990's 8.9%

Why You'll Like It: An action-packed, old-school shooter that focuses on interactive environments and a variety of weapons.

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!

Why similar: Gore 16.2%, FPS 15.1%, Boomer Shooter 14% ★, Violent 12.1%, Old School 9.5%

Why You'll Like It: A pure, no-nonsense shooter that focuses entirely on the visceral, violent, and fast-paced combat of the 90s.

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!

Why similar: Boomer Shooter 17.6% ★, Gore 12.2%, 2.5D 11.4%, Old School 11.1%, FPS 9.1%

The definitive version of the cult classic shooter, Shadow Warrior Classic Redux features remastered visuals and two massive expansion packs. Corporations rule every facet of life in a near-future Japan and employ Shadow Warriors, one-man armies of unparalleled skill, to protect their power and forcefully remove all opposition.

Why similar: FPS 29.7%, Gore 14.8%, Old School 11.1%, Boomer Shooter 10.8% ★, Retro 10.5%

Why You'll Like It: Provides a classic 2.5D experience with a distinct personality and fast-paced combat that defined the era.

Demons are not the danger, YOU ARE THE DANGER!!! play as Angelica Amadeus, a nun with the power of faith and guns. Slay demons at your heart's content on bizarre stages with strange gravity fields. Get highscores to unlock more stages and weapons and teach those filthy demons their place.

Why similar: Boomer Shooter 22.1% ★, FPS 19.7%, Gore 18.3%, Violent 8.3%, Female Protagonist 6.4%

Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way.

Why similar: FPS 28.5%, Gore 18.3%, Boomer Shooter 18.2% ★, Retro 11.1%, 1990's 9.9%

Why You'll Like It: The quintessential 2.5D shooter that set the standard for the level design and interactive environments found in The Citadel.

Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

Why similar: FPS 31.5%, Boomer Shooter 12.5% ★, Gore 11.9%, Old School 10.1%, 1990's 8.1%

Why You'll Like It: The foundational 3D shooter that established the movement and combat speed that modern boomer shooters strive to emulate.

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.

Why similar: Boomer Shooter 23.9% ★, FPS 16.5%, Old School 14.6%, Violent 8%, Anime 7.5%

A Retro-FPS "virtual happy place", jeopardized with a naughty bug. Traverse this action-oriented roguelite blasting waifus to uncover dirty secrets on a personal computer!

Why similar: FPS 25.2%, Retro 14.3%, Anime 12.3%, Gore 9.6%, Violent 9.2%

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!!!!!!

Why similar: Boomer Shooter 18.9% ★, FPS 18.4%, 2.5D 12.1%, Gore 8.1%, Shooter 7.9%

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!

Why similar: Gore 21.5%, Violent 16.1%, FPS 15.5%, Boomer Shooter 9% ★, Old School 7.7%

MAXIMUM Action is a brutal and satisfying physics-based first person shooter influenced by Hong Kong cinema, heroic slow motion bloodshed, and old-school FPS ACTION.

Why similar: Gore 21.2%, FPS 18.7%, Violent 13.8%, Old School 12.4%, Retro 11.3%

Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.

Why similar: Boomer Shooter 26.9% ★, FPS 21%, Gore 13%, Shooter 8.7%, 1990's 8%

SharpShooter3D is a first-person subculture shooter in the best old school traditions. Burn! Destroy! Kill! Kill! Kill!

Why similar: Boomer Shooter 20.8% ★, FPS 18%, Old School 12.4%, Retro 9.9%, Violent 9.1%

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...

Why similar: FPS 25.9%, Boomer Shooter 15% ★, Gore 14.9%, Violent 10.9%, Retro 9.8%

A SHORT and sweet pixelated low fidelity 90s throwback hyper-fast action shooter. Survive and fight through a city overrun with manufactured monstrosities, biomass horrors, and a military authority trying to purge everything living. Heavy metal / techno soundtrack featuring BOD Music

Why similar: FPS 26.7%, Boomer Shooter 12.2% ★, Old School 11.8%, Gore 11.5%, Shooter 9.7%

Join BRUTAL JOHN and BRUTAL DOG in a ultraviolent old-school FPS set in a world overrun by crypto-mining technologies, where it’s up to you to destroy them and reclaim control. Prepare for an adrenaline ride that pays homage to the best shooters of the '90s.

Why similar: Boomer Shooter 20.5% ★, FPS 16%, Gore 15.3%, Old School 12.2%, Violent 10.7%

A retro shooter inspired by classics like Wolfenstein and Doom. Think of it as a tribute, a love letter to the games that defined a generation, with a few modern touches of my own. It’s tough, fast, and demands skill, just the way those old-school shooters did.

Why similar: FPS 34.6%, Boomer Shooter 20% ★, Shooter 11.5%, Retro 10.8%, Violent 10.8%

Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.

Why similar: FPS 22.1%, Gore 21.9%, Violent 15.3%, Boomer Shooter 12.5% ★, Shooter 10.3%

A fast run and gun horror shooter with roguelike elements

Why similar: Boomer Shooter 27.7% ★, Gore 18.1%, FPS 17.3%, Violent 10.4%, Shooter 8.2%

Dodge bullets, shoot enemies and even stop time as you navigate through 15 beautiful levels in this perfect blend of bullet hell and FPS. Uncover the origins of Sakuya Izayoi's past and investigate the mansion where the scarlet vampires resides in this Touhou Project Fangame!

Why similar: FPS 34%, Retro 13.7%, Shooter 11.4%, Anime 10.9%, Boomer Shooter 8.9% ★

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".

Why similar: FPS 14.4%, Gore 13.3%, Boomer Shooter 12.4% ★, Violent 9.5%, Retro 9.1%

Explode into action!

Why similar: FPS 27.7%, Violent 24.1%, Boomer Shooter 18.7% ★, Retro 10.1%, 1990's 8.6%

Twilight Town: A Cyberpunk FPS is a brutal, funny, bloody FPS game with an advanced gore system. Featuring 15 beautiful levels, a variety of weapons and a deeply engaging story that follows the journey of a young man and his friend tackling on a criminal underground to give his AI wife a real body.

Why similar: FPS 32.2%, Anime 14.4%, Shooter 12.4%, Retro 9.1%, First-Person 6.4%

STRAFE® is the worlds bloodiest roguelike first-person shooter! Featuring mind melting secrets and persistent gore that allows you to paint levels red with the excessive entrails of your enemies. 30+ weapons, 20+ enemies, & a red hot soundtrack.

Why similar: FPS 16.9%, Gore 16.9%, Boomer Shooter 14.7% ★, Violent 11.3%, Retro 10.3%

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.

Why similar: Boomer Shooter 15.7% ★, Gore 14.7%, FPS 14.2%, Violent 10.8%, Old School 9.1%

CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!

Why similar: FPS 21.3%, Old School 15.4%, Retro 13.6%, 1990's 10.5%, Gore 9.1%

An adrenaline-rush sci-fi FPS. A HYPER UNIT ASKA is sent on a suicide mission to rescue citizens' COREs from MOEBIUS, an orbital city turned into a deadly trap. Dive into cybernetic warfare, face the ENGINEERS, and uncover the secrets of METAL EDEN.

Why similar: FPS 22.9%, Boomer Shooter 22.6% ★, Gore 13.3%, Shooter 10%, Violent 8.9%

Boot up your 486 and launch olcst.exe for this retro fps from an alternate 1990's. Descend into the madness of the Spanish Civil War fighting vicious fascist forces and supernatural monsters. Conquer three action packed episodes wielding machine guns, rifles, flamethrowers and explosives.

Why similar: FPS 31.1%, Retro 14.7%, Old School 14.2%, Boomer Shooter 12.7% ★, Shooter 10.5%

High Hell is a neon-soaked, arcade-action first-person shooter from Terri Vellmann (Heavy Bullets) and Doseone (Enter the Gungeon, Gang Beasts).

Why similar: FPS 30.1%, Gore 17.4%, Violent 13.7%, Boomer Shooter 11.1% ★, Shooter 8.2%

SUFFER is a brutally difficult retro-styled first person shooter! Become the Spirit of Anarchy and take on the police state in this horror-punk twist on classic PC gaming.

Why similar: Gore 27.5%, Violent 20.6%, FPS 20.5%, Retro 12.6%, Shooter 7.2%

A silky smooth Arena First Person Shooter with a prime focus on game-feel. Massacre waves of sentient metallic geometry and their monster compatriots as you fight for your Hi-Score! Designed to be the ultimate 'warm-up' or 'waiting-for-download' game!

Why similar: FPS 23.5%, 2.5D 14.8%, Old School 11%, Anime 10.9%, Shooter 8.7%

Experience the thrill of retro boomer shooters in this action-packed game where you'll battle hordes of demons and face the ultimate challenge: Satan himself. Relive the glory days of classic shooters with intense gameplay, a variety of weapons, and relentless enemies.

Why similar: Boomer Shooter 30.6% ★, Retro 13.8%, Gore 12.2%, Shooter 10.7%, FPS 7.5%

Terfenstein 3D is a short retro first-person shooter game about escaping a gender-fascist concentration camp. Unleash your pent-up fury upon the gender-critical tyrants with an arsenal of deadly weapons and tactics in cathartic bliss.

Why similar: FPS 24.9%, Old School 18.8%, Retro 15.6%, 1990's 12.8%, Shooter 8.9%

Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!

Why similar: Boomer Shooter 24.4% ★, FPS 20.4%, Old School 15.7%, 1990's 10.1%, Shoot 'Em Up 9.4%