50 levels? Of all the same stuff over and over again? With one mistake meaning you're doing the whole level again? Let alone losing your lives after level 30 you're just kinda boned? At least Ice Climber let you select every level.

It's really cute and has fun gameplay on paper, but the level length, repetition, and difficulty make it a hard one to recommend playing all the way through. Do a few levels of this to see what it's all about, and move on.