IMHO.

Games like Citadelum

If Citadelum is your kind of game, the closest matches are One Military Camp, Roman Triumph: Survival City Builder and KAISERPUNK — picked from the ranked list below. Reviewers single out its atmospheric, challenging and chill. 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.

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About Citadelum: Citadelum is a city builder set in legendary Ancient Rome. Build your own settlement, gather resources and evolve it into a magnificent city. Explore the world, trade and lead your mighty legions in epic tactical battles. Earn the favor of the Gods or challenge them, if you dare.

2024StrategyIndieSimulation24.99 USDDeck VerifiedWindowsby Abylight Barcelona
Citadelum — Steam game cover
Players highlight
Campaign missions with clear goals and progressionClassic caesar zeus gameplay loop with modern polishClassic city builder loop feels addictiveAtmosphericChallengingChill

Players who liked Citadelum also play

Steam players who put hours into Citadelum 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. One Military Camp

    WHY THIS

    Top pick for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Citadelum.

    Build your own military camp, manage the economy, recruit the best candidates and train them to become elite specialists. Send them on missions across the land to end the war once and for all!

    2023StrategyIndieSimulation24.99 USDDeck PlayableSteam ↗
  2. Roman Triumph: Survival City Builder

    WHY THIS

    Shares an atmospheric mood with Citadelum.

    Second-strongest match for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Citadelum.

    At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!

    2025StrategyIndieSimulation24.99 USDDeck PlayableSteam ↗
  3. KAISERPUNK

    WHY THIS

    Shares an atmospheric mood with Citadelum.

    Third-strongest match for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.

    2025StrategySimulation29.99 USDDeck PlayableSteam ↗
  4. Workers & Resources: Soviet Republic

    WHY THIS

    Shares city building and an atmospheric mood with Citadelum.

    Ranked #4 for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.

    2024StrategySimulation39.99 USDDeck PlayableSteam ↗
  5. Norland

    WHY THIS

    Shares an atmospheric mood with Citadelum.

    Ranked #5 for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.

    2024StrategySimulationRPG29.99 USDDeck PlayableSteam ↗
  6. Stronghold Crusader HD (2012)

    WHY THIS

    Shares resource management and a nostalgic mood with Citadelum.

    Ranked #6 for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

    2013StrategySimulation9.99 USDDeck PlayableSteam ↗
  7. Stronghold: Warlords

    WHY THIS

    Shares a challenging mood with Citadelum.

    Ranked #7 for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!

    2021StrategySimulation39.99 USDDeck PlayableSteam ↗
  8. Pioneers of Pagonia

    WHY THIS

    Shares production chains, city building and a nostalgic mood with Citadelum.

    Ranked #8 for Citadelum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Citadelum.

    Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

    2025StrategySimulation34.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to Citadelum

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. Caesar™ 3

    WHY THIS

    Shares resource management and a nostalgic mood with Citadelum.

    Reviewers of Citadelum cross-mention this title as a similar play. Shares Strategy and Simulation with Citadelum.

    Prove your strength of mind and spirit and you just may be crowned Caesar!

    2016StrategySimulation5.99 USDDeck PlayableSteam ↗
  2. Farthest Frontier

    WHY THIS

    Shares an atmospheric mood with Citadelum.

    Reviewers of Citadelum cross-mention this title as a similar play. Shares Strategy and Indie with Citadelum.

    Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.

    2025StrategyIndieSimulation34.99 USDDeck PlayableSteam ↗
  3. Zeus Begins

    WHY THIS

    Reviewers of Citadelum cross-mention this title as a similar play. Shares Indie with Citadelum.

    Help the young Zeus to come back to Olympus and defeat Cronus. Cronus ate all of his sons but Zeus escaped with the help of his mother,he trained so hard in combat to defeat all the enemies that Cronus send to him. Fight with mythologic creatures and titans across Grece in a beat´em up game!

    2019ActionIndie5.99 USDSteam ↗
  4. Tiny Civilization

    WHY THIS

    Shares a relaxing mood with Citadelum.

    Reviewers of Citadelum cross-mention this title as a similar play. Shares Strategy with Citadelum.

    This is a historical simulation game that promotes the development of civilization based on the match-3 Game. You'll need to gather resources, use skills, discover new technology, and lead humanbeing through a 10,000-year journey to the cosmos.

    2022Strategy1.99 USDSteam ↗
  5. Poseidon

    WHY THIS

    Reviewers of Citadelum cross-mention this title as a similar play. Shares Indie and Simulation with Citadelum.

    Poseidon wants to return his beloved golden sharks back to the Greek seas, go to a small island and help God find his subjects!)

    2024IndieSimulationCasual0.99 USDSteam ↗

Cheaper alternatives

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

  1. Terraria

    WHY THIS

    Priced ~60% under Citadelum on Steam right now. Shares Indie with Citadelum.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Garry's Mod

    WHY THIS

    Priced ~80% under Citadelum on Steam right now. Shares Indie and Simulation with Citadelum.

    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 ↗
  3. Lethal Company

    WHY THIS

    Priced ~60% under Citadelum on Steam right now. Shares Indie with Citadelum.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. Bloons TD 6

    WHY THIS

    Priced ~44% under Citadelum on Steam right now. Shares Strategy with Citadelum.

    The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

    2018Strategy13.99 USDDeck PlayableSteam ↗
  5. People Playground

    WHY THIS

    Priced ~60% under Citadelum on Steam right now. Shares Indie and Simulation with Citadelum.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  6. Undertale

    WHY THIS

    Priced ~60% under Citadelum on Steam right now. Shares Indie with Citadelum.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~80% under Citadelum on Steam right now. Shares Indie with Citadelum.

    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 ↗
  8. PEAK

    WHY THIS

    Priced ~68% under Citadelum on Steam right now. Shares Indie with Citadelum.

    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 ↗

Free alternatives

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

  1. Magic Archery

    WHY THIS

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

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  2. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  3. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Citadelum.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗
  4. Landfall Archives

    WHY THIS

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

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeSteam ↗
  5. SuchArt: Creative Space

    WHY THIS

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

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Outpath: First Journey

    WHY THIS

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

    Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

    2022IndieAdventureCasualFreeDeck PlayableSteam ↗
  7. The Riftbreaker: Prologue

    WHY THIS

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

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableSteam ↗
  8. Jigsaw Puzzle Dreams

    WHY THIS

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

    Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!

    2021IndieFree To PlayCasualFreeDeck PlayableSteam ↗

Frequently asked about Citadelum

Is Citadelum verified for Steam Deck?
Yes — Citadelum is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does Citadelum cost?
Citadelum is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Citadelum?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Citadelum are One Military Camp, Roman Triumph: Survival City Builder, KAISERPUNK.
Who developed Citadelum?
Citadelum was developed by Abylight Barcelona and published by Abylight Studios, Gamersky Games.

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 Citadelum.

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

29 Games Like Citadelum — Ranked for 2026 · imho.run