1) Logic puzzle 
Izukirudo, is a French logic puzzle and a word puzzle on grid created in 2006 and inspired by Picross. == Etymology == The name Izukirudo is the pronunciation of the name of its creator (Franck Izquierdo) in Japanese. == Principle of the game == The goal is to find all the right boxes to surround in each grid. For this, numerical indices are place...