IMHO.

Free games like Endless Void: Idle Tower Defense

Below are 8 free-to-play Steam games similar to Endless Void: Idle Tower Defense, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Endless Void: Idle Tower Defense page.

Ranked picks

  1. 1
    Bongo Cat — Steam game cover

    Bongo Cat

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Indie with Endless Void: Idle Tower Defense.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  2. 2
    Virtual Cottage — Steam game cover

    Virtual Cottage

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Indie and Casual with Endless Void: Idle Tower Defense.

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableFree to playSimilar games →
  3. 3
    Magic Archery — Steam game cover

    Magic Archery

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Indie with Endless Void: Idle Tower Defense.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableFree to playSimilar games →
  4. 4
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Action and Indie with Endless Void: Idle Tower Defense.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableFree to playSimilar games →
  5. 5
    An Arcade Full of Cats — Steam game cover

    An Arcade Full of Cats

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Indie and Casual with Endless Void: Idle Tower Defense.

    Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.

    2023IndieFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  6. 6
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Action and Strategy with Endless Void: Idle Tower Defense.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeFree to playSimilar games →
  7. 7
    Outpath: First Journey — Steam game cover

    Outpath: First Journey

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Indie and Casual with Endless Void: Idle Tower Defense.

    Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

    2022IndieAdventureCasualFreeDeck PlayableFree to playSimilar games →
  8. 8
    Die in the Dungeon: Origins — Steam game cover

    Die in the Dungeon: Origins

    Free-to-play alternative to Endless Void: Idle Tower Defense — no purchase or trial window. Shares Strategy and Indie with Endless Void: Idle Tower Defense.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedFree to playSimilar games →