Just follow the instructions. Death counter in the top right M-To Mute music S-To Start music again P-To pause game R-To Resume B-To go Back to the start of your level
This is NOT finished so please don't complain in the comments All levels are possible, but some are very hard. Also, Warning!!! I died 52 times on level 31 playtesting it. It is one of the hardest levels in the game, if not the hardest one overall.