Excellent, forces you to really think by yourself sometimes! Some of the logic (starting at level 2) was similar to Ouverture Facile (http://www.ouverture-faci

Excellent, forces you to really think by yourself sometimes! Some of the logic (starting at level 2) was similar to Ouverture Facile (http://www.ouverture-facile.com/start/index.html http://www.ouverture-facile.com/start/index.html for the english version) which I encourage anyone to try if you like these riddles! Looking for more!