IMHO.

Single-player games like Colosseum Infection

Below are 8 single-player Steam games similar to Colosseum Infection, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Colosseum Infection page.

Ranked picks

  1. 1
    Demolitors — Steam game cover

    Demolitors

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    Command powerful Demolitors, battle enemy machines with unique Insignias, upgrade each machine through its skill tree, unlock even stronger Insignias, and defeat formidable bosses.

    2027StrategyIndieSingle-playerSimilar games →
  2. 2
    Bureaucromancer — Steam game cover

    Bureaucromancer

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy with Colosseum Infection.

    Bureaucromancer is a turn-based tactical shooter set in a floating records office in the sky. A medieval fantasy where rather than magic, they discovered the awesome power of bureaucracy.

    2027StrategySingle-playerSimilar games →
  3. 3
    Century of Conquest — Steam game cover

    Century of Conquest

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    Hex-grid tactics × elemental spell cards × hero expeditions. Command 59 unit types across four races in initiative-driven battles, weave 75 elemental spells mid-combat, besiege castles, and lead your hero through a three-layer campaign map to face the abyssal overlord.

    StrategyIndieSingle-playerSimilar games →
  4. 4
    Guildrun — Steam game cover

    Guildrun

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    Turn a simple team into an unstoppable force and crush waves of monsters in this PvE autobattler roguelike. No two runs feel the same as you bend heroes beyond their class roles and discover countless combinations and synergies. Seal the rifts at your own pace and uncover what tore them open.

    ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Stonespire — Steam game cover

    Stonespire

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy with Colosseum Infection.

    Stonespire is a roguelike autobattler about defeating a great evil to protect your city. Recruit an army and collect powerful relics while managing the limited lives of your units through a unique injury system. Unique enemies across various biomes create strategic challenges.

    StrategySingle-playerSimilar games →
  6. 6
    Fraga — Steam game cover

    Fraga

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    You are a pilgrim lost in a mysterious forest. Survive in this procedurally generated, turn-based tactical roguelite inspired by Galician mythology. Upgrade your gear, adapt your strategy and remember: something is always lurking in the shadows.

    2026StrategyIndieSingle-playerSimilar games →
  7. 7
    Make Them Walk — Steam game cover

    Make Them Walk

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    Step into the world of a Maze Building Tower Defense game where enemies are smart enough to choose only the Shortest path while making best use for the random cards you've dealt with.

    2023StrategyIndie5.99 USDSingle-playerSimilar games →
  8. 8
    electric strategy — Steam game cover

    electric strategy

    Single-player alternative to Colosseum Infection — playable solo, no multiplayer required. Shares Strategy and Indie with Colosseum Infection.

    A turn-based tactics game where every action costs energy. Command robots across a grid-based battlefield, transfer power between units, and help machines reclaim their will.

    2027StrategyIndieSingle-playerSimilar games →