IMHO.

Games like Ultimus bellum

If Ultimus bellum is your kind of game, the closest matches are BARHEIM, PetCraft and King Towers — picked from the ranked list below. Reviewers single out its atmospheric, challenging and contemplative. 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 →

About Ultimus bellum: An indie tower defense that combines elements of CCG and RPG. Use your deck to defend reality from hordes of invaders. During five acts, you will encounter a variety of enemies, well-designed levels, hundreds of different items, five difficulty levels, a crafting system, challenges and much more!

2017StrategyIndieRPGEarly Access9.99 USDWindows · macOS · Linuxby Lions Crayons Games
Ultimus bellum — Steam game cover
Players highlight
Deep build variety and tactical depthItem crafting offers cosmetic and minor stat boostsRandomized hero cards keep runs freshAtmosphericChallengingContemplative

Players who liked Ultimus bellum also play

Steam players who put hours into Ultimus bellum 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. BARHEIM

    WHY THIS

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

    BARHEIM is a single-player, 3D Time Management Tower Defense where players experience the chaos of mixing drinks and maintaining a bar while defending themselves from thirsty Vikings!

    2024StrategyIndieCasual5.99 USDSteam ↗
  2. PetCraft

    WHY THIS

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

    Build your dream team of powerful pets. Every pet has a unique role, every skill creates new possibilities, and every battle rewards smart strategy over sheer numbers

    2026StrategyIndieCasualSteam ↗
  3. King Towers

    WHY THIS

    Third-strongest match for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    Welcome to King Towers, a challenging Retro Flash Tower Defence. Protect your life, gold and mana from fast and very ugly villagers, knights, evil witches and cows armed to their teeth!

    2024StrategyIndieRPG2.99 USDSteam ↗
  4. Monster of Nyum

    WHY THIS

    Ranked #4 for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    It is an RPG that selects, overcomes, and develops a character with rewards for each turn. If it is determined that your growth is sufficient to subdue the monster, you can further increase the difficulty to increase the probability of obtaining the Soul Soul.

    2022StrategyIndieRPG14.99 USDSteam ↗
  5. Majula Frontier

    WHY THIS

    Ranked #5 for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    The sky over Majula is turning black, the ground is starting to decay, and monsters are returning to the world, forcing a group of retired heroes to band together once more.

    2018StrategyIndieRPG9.99 USDDeck PlayableSteam ↗
  6. Pixel Fortress: Tower Defense

    WHY THIS

    Ranked #6 for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    Pixel Fortress is a retro-inspired tower defense game packed with fast-paced real-time strategy. Build your defenses, command powerful abilities, and unleash devastating energy blasts to hold off relentless enemy waves. Can you master the battlefield?

    2025StrategyIndieEarly Access4.99 USDSteam ↗
  7. Hue Defense

    WHY THIS

    Ranked #7 for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    With stylized graphics, Hue defense is a game based on real life events, when you are called to fight against the worst kind of enemy, the politicians and their supporters. Its time to defend the nation!

    2018StrategyIndieRPG4.99 USDSteam ↗
  8. Tales of Valoris: Swallow's Defenders

    WHY THIS

    Ranked #8 for Ultimus bellum fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Ultimus bellum.

    Swallow’s Keep is a place of great prosperity; however, not all lands share in its wealth, and it has caught the eye of ambitious adversaries. Can you defend your home against the bandits?

    2025ActionStrategyIndie9.99 USDSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Ultimus bellum on Steam right now. Shares Indie with Ultimus bellum.

    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 ~50% under Ultimus bellum on Steam right now. Shares Indie and RPG with Ultimus bellum.

    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. Cookie Clicker

    WHY THIS

    Priced ~50% under Ultimus bellum on Steam right now. Shares Strategy and Indie with Ultimus bellum.

    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 ↗
  4. WEBFISHING

    WHY THIS

    Priced ~50% under Ultimus bellum on Steam right now. Shares Indie with Ultimus bellum.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~90% under Ultimus bellum on Steam right now. Shares Indie with Ultimus bellum.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  6. Plants vs. Zombies GOTY Edition

    WHY THIS

    Priced ~50% under Ultimus bellum on Steam right now. Shares Strategy with Ultimus bellum.

    Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.

    2009Strategy4.99 USDDeck PlayableSteam ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under Ultimus bellum on Steam right now. Shares Indie with Ultimus bellum.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under Ultimus bellum on Steam right now. Shares Indie and RPG with Ultimus bellum.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗

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 with Ultimus bellum.

    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.

    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. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. Bongo Cat

    WHY THIS

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

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  6. The Murder of Sonic the Hedgehog

    WHY THIS

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

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

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

    WHY THIS

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

    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 ↗
  8. The Looker

    WHY THIS

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

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗

Frequently asked about Ultimus bellum

How much does Ultimus bellum cost?
Ultimus bellum is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Ultimus bellum?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Ultimus bellum are BARHEIM, PetCraft, King Towers.
Who developed Ultimus bellum?
Ultimus bellum was developed by Lions Crayons 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 Ultimus bellum.

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