This is Quinto, a mathematical game.

Quinto rules:

  • select a size for the playing board which is tiled with panels
  • panels are blue or red
  • clicking on a panel will change the color of all its neighbours
  • you must turn all panels from blue to red
You probably would like to start with size 4. True Quinto is size 5 ...

This applet was programmed by Jochen Peuker and Eric Struse, students in information technology at Wuppertal university, summer 2003