20 different levels! Really simple rules but pretty hard to solve! It’s a board game puzzle with really simple rules but a medium-high difficult level: It’s played in a triangular board with less than 15 balls, and in order to solve each level you have to let a single ball by eliminating the others, being a ball removed when another one jumps over it. Sounds simple, but its 20 levels should be a challenge for even the cleverest ones