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Games like Galaxy Defense: Fortress TD

Galaxy Defense: Fortress TD. These games share the most with it, and each one says why.

Only
  1. Sir, We Have an Orc Problem cover art

    Sir, We Have an Orc Problem

    Also tower defense, roguelite

    A short tower defense against orc armies in the tens of thousands, where every run, won or lost, feeds a big tree of turret upgrades.

    86% steam
  2. Outhold cover art

    OutholdUpdated

    Also tower defense, roguelite

    A short tower defense run-based game where you spend collected resources in a large refundable skill tree between attempts.

    4.4★ galaxy
  3. Galactic Mining Corp cover art

    Galactic Mining Corp

    Also space, roguelite

    Drill alien planets for loot, then grow an HQ with a quirky crew, new drill parts and a large perk tree. A roguelite sequel to Geo.

    84% steam
  4. Void Miner – Incremental Asteroids Roguelite cover art

    Void Miner – Incremental Asteroids Roguelite

    Also roguelite, space

    Pilot a ship and an automated tower through asteroid fields, shooting rocks for resources that feed an upgrade tree between runs.

    83% steam
  5. Dice vs Monsters: Roguelike TD cover art

    Dice vs Monsters: Roguelike TDUpdated

    Also tower defense, roguelite

    A roguelike tower defense where each hero is a die, with dice rolls used to upgrade abilities against monster waves.

  6. Boom Castle: Tower Defense TD cover art

    Boom Castle: Tower Defense TDUpdated

    Also tower defense, roguelite

    Hold a castle against orcs, skeletons, and demons with towers and heroes in a roguelike defense that grows stronger each run.

  7. Rogue with the Dead: Idle RPG cover art

    Rogue with the Dead: Idle RPGUpdated

    Also roguelite, tower defense

    March an army 300 miles to slay the Demon Lord; troops fight automatically, and each death resets your run but makes you stronger.

    has ending
    75% idle
  8. Mega Tower - Casual TD Game cover art

    Mega Tower - Casual TD GameUpdated

    Also tower defense, space

    Merge and modify towers in a sci-fi tower defense that fights on its own but lets you aim manually.

    50% idle
  9. Geometry Tower: Idle Defense cover art

    Geometry Tower: Idle DefenseUpdated

    Also tower defense, roguelite

    Defend a single tower against endless waves, picking roguelike upgrades each run and researching permanent boosts.

  10. Tiny Warriors Rush - Idle TD cover art

    Tiny Warriors Rush - Idle TDUpdated

    Also tower defense, roguelite

    Pick warriors and random upgrade cards in tower-versus-tower battles, then spend winnings to level your army.

  11. Refence cover art

    RefenceDormant

    Also tower defense, roguelite

    Defend a wall with chosen heroes in a roguelike idle defense, building up your castle, researching features and crafting relics.

    77% steam
    3.4★ galaxy
  12. Samawa Idle cover art

    Samawa Idle

    Also tower defense, roguelite

    Pick and level towers against monster hordes, shaping runs with random gear, passives and a skill tree across two prestige layers.

    68% steam
    50% idle
  13. rock[et] cover art

    rock[et]Coming soon

    Also roguelite, space

    Break asteroids for minerals after crash-landing on an alien world, picking from a cast of characters with unique skills to build runs and repair your ship.

    3.2★ galaxy
    has ending
  14. Spaceplan cover art

    SpaceplanComplete

    Also space

    A stranded ship, a potato, and a soundtrack that makes the finale land. A short, focused story idler.

    91% steam
    1–3h ending
    30% idle
  15. Nodebuster cover art

    NodebusterComplete

    Also roguelite

    Sweep your cursor over nodes, spend the bits on a huge upgrade web, go again. A tight, active, few-hour hit.

    97% steam
    3–6h ending
    10% idle
  16. Zero Stress King: Idle Defense cover art

    Zero Stress King: Idle DefenseUpdated

    Also tower defense

    A tower defense where you cannot lose: enemies charge your walls and fall into lava, and you spend the payout on defenders and a map-shaped skill tree.

    87% steam
    3.6★ galaxy
  17. Unnamed Space Idle cover art

    Unnamed Space Idle

    Also space

    A ship, a sector map and a tidy prestige loop. Quietly one of Galaxy's most-played games.

    92% steam
    4.5★ galaxy
    70% idle
  18. Space Rock Breaker cover art

    Space Rock BreakerUpdated

    Also space

    Blast asteroids with guns and lasers, then drop the ore through an upgradable Plinko board for credits to spend on a large skill tree.

    96% steam
  19. Idle Hero TD - Tower Defense RPG cover art

    Idle Hero TD - Tower Defense RPGUpdated

    Also tower defense

    An endless tower defense where you recruit and place fantasy heroes against infinite waves, and they keep fighting and collecting rewards while the game is closed.

    82% steam
    75% idle
  20. Chef Knight cover art

    Chef Knight

    Also roguelite

    Fight through dungeons for monster ingredients, cook them into dishes to sell to adventurers, and upgrade combat and cooking between runs.

    95% steam
  21. To The Core cover art

    To The Core

    Also space

    Fly between planets, drill for resources until fuel runs out, and buy upgrades so each dig reaches deeper than the last.

    93% steam
  22. Rock Bottom cover art

    Rock BottomUpdated

    Also roguelite

    Swing a pickaxe through generated caves, smelt ore into bars and buy permanent skill tree upgrades to push through eight themed depths.

    94% steam
  23. The Last Cat in the Universe cover art

    The Last Cat in the Universe

    Also space

    As a space station AI, sweep your cursor over debris to salvage parts and build a warm home for the last cat, in a short story meant for one or two sittings.

    94% steam
    has ending
  24. Desktop Defender cover art

    Desktop Defender

    Also tower defense

    A lone tower in the corner of your screen holds off waves while you work, dropping gear to equip and resetting runs for permanent ascension upgrades.

    92% steam
    90% idle