Would give 5 stars except for the extremely annoying coins/lives extortion scheme. Just let people play the game!! Each level requires coins to play, and the math is set up so that you cannot get to all the levels without purchasing more coins. It would be great just to progress to the next level if you have solved the previous level, but that is not how it works. Very sad, because the game is otherwise quite good. I Solved all 52 levels first world. Second world not feasible without buying coins.
Played this on windows earlier... Nice game.
It's a wonderful brain game...
● Minor bugs fixed