IMHO.

Games like The Citadel

If The Citadel is your kind of game, the closest matches are Sinned Arena, HEADCUTTER and Beyond Citadel — picked from the ranked list below. Reviewers single out its tactical positioning matters, writing quality is exceptional and atmospheric. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

Get personalized picks →

The Citadel is a retro-inspired first-person shooter released in 2020 by doekuramori and Top Hat Studios Inc. Set within a dark citadel, the game offers 6 episodes and 30 levels across a medium-length campaign with 6 challenging bosses. Players navigate solo through procedurally generated encounters while managing bullet-drop physics and a variety of weapons that reward tactical positioning. Reviewers describe the gore effects as detailed and impactful, and players note the atmospheric quality of the design. Priced at $14.99 USD, the game is marked as playable on Steam Deck and holds a 93% positive rating from 1,613 Steam reviews.

About The Citadel: The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3d. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.

2020ActionIndieCasual14.99 USDDeck PlayableWindowsby doekuramori, Top Hat Studios Inc
The Citadel — Steam game cover
Players highlight
Goa and gore effects are detailed and impactfulTactical positioning mattersWriting quality is exceptionalAtmosphericChallengingBullet drop physics

Players who liked The Citadel also play

Steam players who put hours into The Citadel also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Sinned Arena

    WHY THIS

    Top pick for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with The Citadel.

    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.

    2026ActionIndieSteam ↗
  2. HEADCUTTER

    WHY THIS

    Second-strongest match for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action with The Citadel.

    HEADCUTTER is a sci-fi spaghetti western FPS with brutal combat, destructible environments, and lots of gore. Track targets as a space bounty hunter, explore maps with multiple routes, and use the crunchy gunplay to cut their heads off so you can get your money!

    2027ActionAdventureSteam ↗
  3. Beyond Citadel

    WHY THIS

    Shares weapon variety and an atmospheric mood with The Citadel.

    Third-strongest match for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with The Citadel.

    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.

    2025ActionIndie14.99 USDDeck PlayableSteam ↗
  4. Pile 'Em High Episode 3: Convalescence

    WHY THIS

    Ranked #4 for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with The Citadel.

    Deep in Colorado’s Rocky Mountains, a secluded estate becomes ground zero for terror. Pile ’Em High 3 throws you into nonstop action‑horror mayhem—cultists, zombies, abominations—all standing between you and the truth behind the world‑shattering Pandemic

    ActionIndieAdventureSteam ↗
  5. The Apogee Throwback Pack

    WHY THIS

    Shares a challenging mood with The Citadel.

    Ranked #5 for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action with The Citadel.

    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".

    2013Action9.99 USDSteam ↗
  6. Ion Fury

    WHY THIS

    Shares weapon variety and an atmospheric mood with The Citadel.

    Ranked #6 for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with The Citadel.

    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!

    2019ActionIndie24.99 USDDeck PlayableSteam ↗
  7. Rise of the Triad: Dark War

    WHY THIS

    Shares a challenging mood with The Citadel.

    Ranked #7 for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action with The Citadel.

    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.

    2014Action6.99 USDSteam ↗
  8. Warhammer 40,000: Boltgun

    WHY THIS

    Shares an atmospheric mood with The Citadel.

    Ranked #8 for The Citadel fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with The Citadel.

    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.

    2023ActionIndie21.99 USDDeck VerifiedSteam ↗

Reviewers mention these as similar to The Citadel

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Wolfenstein 3D

    WHY THIS

    Shares a challenging mood with The Citadel.

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action with The Citadel.

    World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.

    2007Action4.99 USDDeck PlayableSteam ↗
  2. Spec Ops: The Line

    WHY THIS

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action with The Citadel.

    A Third-Person modern military Shooter designed to challenge players' morality by putting them in the middle of unspeakable situations.

    2012ActionAdventureSteam ↗
  3. Wolfenstein: The New Order

    WHY THIS

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action with The Citadel.

    Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.

    2014Action19.99 USDDeck VerifiedSteam ↗
  4. System Shock

    WHY THIS

    Shares an atmospheric mood with The Citadel.

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action with The Citadel.

    A first-person fight to the death in the depths of space!

    2023ActionAdventure39.99 USDDeck PlayableSteam ↗
  5. rOt

    WHY THIS

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Indie and Casual with The Citadel.

    Minimal puzzle game which goal is to get The Ball to the WinBox using the Circles in the scenes. New obstacles introduced every 10 levels

    2018IndieCasualSteam ↗
  6. Hood: Outlaws & Legends

    WHY THIS

    Shares an atmospheric mood with The Citadel.

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action with The Citadel.

    In a violent, medieval world, outplay rival gangs in intense PvPvE multiplayer heists. Moving in stealth to steal treasures unseen or dominating through loud and brutal combat, only the best will escape with hard-earned riches.

    2021ActionAdventureMassively MultiplayerSteam ↗
  7. ULTRAKILL

    WHY THIS

    Shares a challenging mood with The Citadel.

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Action and Indie with 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.

    2020ActionIndieEarly Access24.99 USDDeck VerifiedSteam ↗
  8. Touhou Mystia's Izakaya

    WHY THIS

    Reviewers of The Citadel cross-mention this title as a similar play. Shares Indie and Casual with The Citadel.

    A brand new pixel art restaurant simulator based on the Touhou Project! Play as Mystia, the owner of a small izakaya. Collect ingredients by day, cater to the customers by night, learn recipes from familiar characters, and become the best izakaya owner in all of Gensokyo!

    2021IndieSimulationRPG4.19 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below The Citadel at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~67% under The Citadel on Steam right now. Shares Indie and Casual with The Citadel.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~67% under The Citadel on Steam right now. Shares Action and Indie with The Citadel.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. R.E.P.O.

    WHY THIS

    Priced ~53% under The Citadel on Steam right now. Shares Action with The Citadel.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSteam ↗
  4. PEAK

    WHY THIS

    Priced ~47% under The Citadel on Steam right now. Shares Action and Indie with The Citadel.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  5. Titanfall® 2

    WHY THIS

    Priced ~70% under The Citadel on Steam right now. Shares Action with The Citadel.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  6. Slay the Spire

    WHY THIS

    Priced ~58% under The Citadel on Steam right now. Shares Indie with The Citadel.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  7. Inscryption

    WHY THIS

    Priced ~47% under The Citadel on Steam right now. Shares Indie with The Citadel.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  8. Cookie Clicker

    WHY THIS

    Priced ~67% under The Citadel on Steam right now. Shares Indie and Casual with The Citadel.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with The Citadel.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with The Citadel.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with The Citadel.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with The Citadel.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with The Citadel.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with The Citadel.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with The Citadel.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  8. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with The Citadel.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about The Citadel

Does The Citadel run on Steam Deck?
The Citadel is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does The Citadel cost?
The Citadel is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to The Citadel?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside The Citadel are Sinned Arena, HEADCUTTER, Beyond Citadel.
Who developed The Citadel?
The Citadel was developed by doekuramori, Top Hat Studios Inc and published by doekuramori, Top Hat Studios Inc.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on The Citadel.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

32 Games Like The Citadel — Ranked for 2026 · imho.run