IMHO.

Single-player games like Forest TD

Below are 8 single-player Steam games similar to Forest TD, 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 Forest TD page.

Ranked picks

  1. 1
    Makina — Steam game cover

    Makina

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

    Build. Defend. Automate. MAKIN-A is a top-down shooter merged with deep tower defense and resource management. In a deserted cyberpunk wasteland, you are the last line of defense. Engineer a fleet of mining robots and build your reliable cannons, fortify your base against relentless machine swarms.

    2026ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Dimension Core: Amethyst — Steam game cover

    Dimension Core: Amethyst

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

    A Roguelite strategy tower defense game. Different towers, events, and upgrades every run. Manage resources, fight alongside your towers, and defend the Dimension Core.

    StrategyIndieSingle-playerSimilar games →
  3. 3
    XENO SIEGE — Steam game cover

    XENO SIEGE

    Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and RPG with Forest TD.

    A top-down arena shooting light Roguelike game. Players take on the role of a modified warrior who is caught up in a black hole and forced to land on an unknown planet. Faced with hordes of alien monsters and uncontrollable mechanical debris

    2025StrategyRPGCasual0.89 USDSingle-playerSimilar games →
  4. 4
    城市塔防-City Tower Defence — Steam game cover

    城市塔防-City Tower Defence

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

    Roguelite tower defense. Each run generates a different map identity, base position, frontline layout, and pressure lanes. Build and upgrade towers, shape your run with cards and between-wave rewards, manage resources and positioning, survive waves of escalating enemies and boss encounters.

    StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Spirit of the Dome — Steam game cover

    Spirit of the Dome

    Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Casual with Forest TD.

    Defend against endless waves of enemies and dark forces across a decaying world in this RTS styled tower defense game!

    2026ActionStrategyCasual3.94 USDSingle-playerSimilar games →
  6. 6
    Touhou Monster TD ~ 幻想乡妖怪塔防 — Steam game cover

    Touhou Monster TD ~ 幻想乡妖怪塔防

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

    Easy to learn but hard to master, Touhou Monster TD is a unique Tower defense Game. Control your character, level up and unlock tower skills and character talents, use your wisdom to defeat incoming enemies. Travel the Gensokyo, find out why the “Incident” happened this time.

    2021ActionStrategyIndie18.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Deepstone Rift — Steam game cover

    Deepstone Rift

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

    Fight big battles in the mines, get to mining and collecting gold and minerals. build and upgrade your towers, power up with treasure chests. Defend your base from looting goblins! using variety of weapons and tower, from RPG, ak47, canons towers, to sawblade towers and more!

    2025ActionStrategyIndie3.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Underwater battles — Steam game cover

    Underwater battles

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

    Underwater battles - casual puzzle game made in 2D graphics.

    2022StrategyIndieCasual39.99 USDSingle-playerSimilar games →