The Binding of Isaac Wiki

The Binding of Isaac DEMO (also titled as The Binding of Isaac: The Demo!) is a demo of The Binding of Isaac released in October 8, 2011 a month later after the full game's launch.

The demo is playable in Newgrounds for free which can be played from here. It requires Newgrounds Player to be installed since the discountinuation of Adobe Flash Player.


Buy the Full Game

The image displayed after completing or losing the game.


  • Master of Sins - Defeat one of the seven deadly sins.
  • Basement - Complete the Basement.
  • Secret Room - Find a secret room.
  • Caves - Complete the Caves.
  • Money well Spent - Buy something in the shop.
Games and DLCs The Binding of IsaacWrath of the LambEternal EditionDemo
Other Purchases Unholy EditionOriginal SoundtrackArtbookSteam Trading CardsMerchandise
Miscellaneous Cut Content