IMHO.

Single-player games like Shapes: The Tower Defense Game

Below are 8 single-player Steam games similar to Shapes: The Tower Defense Game, 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 Shapes: The Tower Defense Game page.

Ranked picks

  1. 1
    Villages on Wheels — Steam game cover

    Villages on Wheels

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

    Expand your moving village while monsters try to tear it down in this strategic horde survival. Combine blessings, level-ups, orbs and buildings to create the ultimate survival machine!

    2027ActionStrategySingle-playerSimilar games →
  2. 2
    The Glory Dungeon Raider — Steam game cover

    The Glory Dungeon Raider

    Single-player alternative to Shapes: The Tower Defense Game — playable solo, no multiplayer required. Shares Action and Indie with Shapes: The Tower Defense Game.

    Enter the depths of a treacherous dungeon in The Glory Dungeon Raider, a fast-paced 2D roguelike where every run is a new challenge! Arm yourself with various weapons, and face off against deadly creatures. Do you have what it takes to survive?

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Line Defense — Steam game cover

    Line Defense

    Single-player alternative to Shapes: The Tower Defense Game — playable solo, no multiplayer required. Shares Action and Indie with Shapes: The Tower Defense Game.

    Move or die. Dodge, dash, and build powerful combos to survive relentless enemy waves in this fast-paced arena survival game. Play solo or in chaotic 4-player local co-op.

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →
  4. 4
    Caravan Survivors — Steam game cover

    Caravan Survivors

    Single-player alternative to Shapes: The Tower Defense Game — playable solo, no multiplayer required. Shares Action with Shapes: The Tower Defense Game.

    Keep the wheels turning. Your caravan rolls down a deadly road while hired heroes and mounted turrets hold back the endless horde. Build your loadout, manage your caravan's inventory, and haul risky cargo for profit. Survive the route at all cost.

    ActionAdventureRPGSingle-playerSimilar games →
  5. 5
    Exo-Rail — Steam game cover

    Exo-Rail

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

    Build up your Armored Train and fend off thousands of aliens in a faraway star system. In this tower-defense bullet-heaven, you will choose your carriages, upgrade your train, and rain down explosives to maximize defensive firepower.

    ActionStrategyIndieSingle-playerSimilar games →
  6. 6
    SinSiege — Steam game cover

    SinSiege

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

    SinSiege is a action rogue-like/tower defense hybrid set in Hell, where humanity's embassies is under siege. Play as legendary heroes, build divine defenses, and face off against waves of demons corrupted by the Seven Sins in a battle to protect mankind’s final haven in hell.

    ActionStrategySingle-playerSimilar games →
  7. 7
    OKTORAID — Steam game cover

    OKTORAID

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

    A 2-player local co-op base-defense survivor. You're wired together by a power cable — stay close to share power and hit harder. Scavenge scrap, build a fortress of turrets and walls, then survive OKTO's endless robot siege. Fully solo-playable. Couch co-op & Remote Play Together.

    ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    Space Show edition 17 — Steam game cover

    Space Show edition 17

    Single-player alternative to Shapes: The Tower Defense Game — playable solo, no multiplayer required. Shares Action and Indie with Shapes: The Tower Defense Game.

    Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!

    2026ActionIndie6.79 USDSingle-playerSimilar games →