IMHO.

Single-player games like Project Myriad

Below are 8 single-player Steam games similar to Project Myriad, 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 Project Myriad page.

Ranked picks

  1. 1
    Gunhouse — Steam game cover

    Gunhouse

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

    Load your guns! Rain death from above! Protect your valuable orphans! Defeat giant, improbable bosses! Gunhouse is part puzzle, part active tower defense, as you make big combos to launch a hail of bullets and special attacks at the enemies who want to consume your delicious orphan friends!

    2020ActionStrategyIndie6.99 USDSingle-playerSimilar games →
  2. 2
    Towers, Turrets, Turtles — Steam game cover

    Towers, Turrets, Turtles

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

    Build and upgrade mazes of turrets to Defend your computer tower from the Pea Horde in this bright and colourful Tower Defence!

    2023ActionStrategyCasual3.99 USDSingle-playerSimilar games →
  3. 3
    Defense Tower Simulator — Steam game cover

    Defense Tower Simulator

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

    Welcome to Tower Defense Simulator and prepare yourself to protect your kingdom from different monsters! Join this game and prepare to many exciting missions with this great game!

    2021ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  4. 4
    Project Myriad 2 — Steam game cover

    Project Myriad 2

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

    Project Myriad 2 is a tower defense strategy game. Build towers on a grid of hexagons floating in space. 35 levels with unique tiles and mechanics each providing a unique challenge. 3 difficulty levels including extreme mode which has never ending waves of enemies. Strive for your new high score!

    2022StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  5. 5
    What The Fortress!? — Steam game cover

    What The Fortress!?

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

    A Tower Defense game where YOU carve the path for your enemies and YOU form the terrain. Unlock 20+ Towers, fight against 30 types of enemies and choose from 5 different ground tiles.

    2022StrategyIndieCasual4.99 USDSingle-playerSimilar games →
  6. 6
    Just Desserts — Steam game cover

    Just Desserts

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

    Select your commander and play a series of tower defense levels as you progress through a randomly generated map. Find shops to unlock upgrades for your towers and commander, and fight mini bosses for bonus rewards to prepare for Count Cakeula.

    2024StrategyIndieCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Age of Defense — Steam game cover

    Age of Defense

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

    Age of Defense is a tower defense game full of mind-blowing mayhem. There are tons of monsters and tough defenders in the game each of which fits perfectly into a funny cartoonish setting.

    2024StrategyIndie4.34 USDSingle-playerSimilar games →
  8. 8
    Kingdom Rush Vengeance - Tower Defense — Steam game cover

    Kingdom Rush Vengeance - Tower Defense

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

    It's payback time! Lead your mighty dark army and make the Kingdom tremble with every step. Build powerful towers, choose your arsenal for destruction, and find the deadliest combination - train legendary heroes and lead them to victory!

    2020Strategy7.99 USDDeck VerifiedSingle-playerSimilar games →