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Core Defense

Also known as Core Defense, cd, core defense

A roguelike tower defense game with a dash of deckbuilding. Choose a reward, improve your build, survive the next wave, repeat. Highly replayable, difficult, and addictive. You'll want just one more wave, just one more run!

Last update
10 Jun 2026
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Blacken Slash is out now!

Good news, everyone: my third game Blacken Slash is now available! Go get it, you won't regret it! Also: a big thank you to all of you! This whole solo gamedev adventure only works because of you – so thank you, from th…

2 changesGameplay
Latest updates

Update history

Browse past updates and patch notes for this game.

20updates

Gallery

In-game media

Achievements

Community progression

Top picks from 50 Steam achievements, sorted by player unlock rates.

  • FlawlessBeat a wave without taking core damage.97.8%
  • Stack 'emGet the same upgrade twice.96.5%
  • ModularInstall a core module.96.2%
  • Upgrade TreasureGet a rare upgrade.95.5%
  • Bossing AroundBeat a boss.95.0%
  • Module TreasureGet a rare core module.91.0%