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Cartridge Defense

Also known as Cartridge Defense, cartridge defense, cartridge-defense

Cartridge Defense is a tower defense game with over 300 distinct collectible cards that you will use to create your own decks to defend against robots in the cyberpunk inspired future. Play cards (cartridges) to spawn towers, upgrades, special abilities and more in a campaign or rogue-like mode.

Last update
17 May 2026
Players now
0

Latest update

Announcement

Cartridge Defense Tutorial Fix

Hey everyone, I just released version 1.0.1.12 of Cartridge Defense that should fix the issue with the tutorial that several players had been running into. I also modified the rules for line of sight on the towers to ho…

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Update history

Browse past updates and patch notes for this game.

20 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 14 Steam achievements, sorted by player unlock rates.

  • Escape the Idle TowerComplete Zone 1: Idle Tower40.2%
  • Journey through the SlumsComplete Zone 2: High Slums25.4%
  • Sponsored By GunsBeat a level on Sponsored mode20.0%
  • Out of the SlumsComplete Zone 3: Low Slums16.2%
  • Pack OpenerOpen 20 packs of Cartridges10.5%
  • Full BagUnlock all Inventory Items7.9%