20in20 is a grid based puzzle game, where you have 20 tiles in a grid with values. Added together in the correct order the values will total 20, it is up to you to find the correct order.

Basic info

  • Click and drag over the tiles to mark them.
  • Each tile holds an operator and a value.
  • Mark the tiles in the correct order to get 20.
  • All tiles must be selected to complete the level.

You can drag back to the last tile to deselect. Dragging of the board, to an older tile or the blocking tile will trigger a fail. Deselecting back to the first tile and releasing the click do not count as a fail.

The light bulb in the right corner will give you a hint of where to start, but you only got a limited amount.

This game was made for the “GDU Jam - Be A Finisher!” jam. So it only got 10 levels and some bugs hehe.


  • Unity
  • Visual Studio
  • Audacity
  • Paint.net
  • Bosca Ceoil


Hope you have fun playing!


  • Fixes invalid value when deselection a x0 tile
  • New and somewhat improved music

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