IMHO.

Single-player games like Colony Defense - Tower Defense

Below are 12 single-player Steam games similar to Colony Defense - Tower Defense, 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 Colony Defense - Tower Defense page.

Ranked picks

  1. 1
    Malón — Steam game cover

    Malón

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    From the plains in the Pampas to the most hostile places in the untamed Patagonia: Manage your own frontier outpost, build new structures, train soldiers, and survive relentless attacks from the enemy.

    2026ActionStrategyIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    CATHODE — Steam game cover

    CATHODE

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    Build sprawling defensive networks of high-tech turrets and logistics systems to repel massive enemy swarms! Take direct control of your turrets and utilize powerful support powers to repel the invasion!

    ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Obelisk Guardians — Steam game cover

    Obelisk Guardians

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    This is a building tower defense game with RPG elements to hunt down the demon guard altar.

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Painted Kingdoms: Tower Defense & Firefighting — Steam game cover

    Painted Kingdoms: Tower Defense & Firefighting

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    Painted Kingdoms is a minimalist strategy game where you paint, build, and defend your Kingdom of paper. Harness the power of paint to protect it from relentless flames and enemy hordes. Will your Painted Kingdom survive the next wave?

    ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Fight for Freedom: Civil War — Steam game cover

    Fight for Freedom: Civil War

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    A minimalist game about fighting for freedom and independence in the United States of America!

    ActionStrategyCasualSingle-playerSimilar games →
  6. 6
    Cosmic Robots — Steam game cover

    Cosmic Robots

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.

    2026ActionStrategySimulation5.09 USDSingle-playerSimilar games →
  7. 7
    Petty Kings — Steam game cover

    Petty Kings

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    Petty Kings is a minimalist pixel art strategy game about reclaiming your stolen kingdom. Rebuild your lands, raise your army, conquer enemy camps, and reclaim your rightful throne.

    2027ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    Hordeguard: Winds of the North — Steam game cover

    Hordeguard: Winds of the North

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Colony Defense - Tower Defense.

    Leap into the heart of a Viking fantasy siege where tower defense meets action combat, strategy, and co-op survival. Gather what you can, raise your defenses, fight beside your friends, and hold the line against an unending horde.

    ActionStrategyIndieSingle-playerSimilar games →
  9. 9
    Halloween Games for Toddlers and Kids — Steam game cover

    Halloween Games for Toddlers and Kids

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Colony Defense - Tower Defense.

    A lovingly designed Halloween puzzle learning game for small preschool children. It contains an animal memory find the pairs game that you can play against a cat as your opponent. For fearless children or you have your diaper ready!

    2023IndieCasual6.99 USDSingle-playerSimilar games →
  10. 10
    Find The Pairs Memo Game for Kids — Steam game cover

    Find The Pairs Memo Game for Kids

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Indie and RPG with Colony Defense - Tower Defense.

    No friend nearby to play with? Then just play Find the pairs of picture cards against an intelligent, funny cat!

    2023IndieSimulationRPG6.99 USDSingle-playerSimilar games →
  11. 11
    Animal Farm Jigsaw Games for Toddlers, Babys and Kids — Steam game cover

    Animal Farm Jigsaw Games for Toddlers, Babys and Kids

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Colony Defense - Tower Defense.

    The ultimate farm children's game with lots of animal puzzles and farm motifs. The perfect learning game for all children, toddlers, babies, jigsaw puzzle and animal lovers. Familyfriendly!

    2024IndieSimulationCasual8.99 USDSingle-playerSimilar games →
  12. 12
    Funny Farm Learning Games for Toddlers and Kids — Steam game cover

    Funny Farm Learning Games for Toddlers and Kids

    Single-player alternative to Colony Defense - Tower Defense — playable solo, no multiplayer required. Shares Indie and RPG with Colony Defense - Tower Defense.

    Does your child like farm animals, farm life, animated puzzles and want to learn their first colors, shapes and sizes? Then get your child our new Farm Games educational game, which includes different animated levels and a ton of fun.

    2024IndieSimulationRPG7.99 USDSingle-playerSimilar games →