So I get to solve puzzles, which are pretty much solely a problem of the mind: and if I die enough, I get to solve all those puzzles again? Sounds legit.
This game got really grindy at one point. The levels aren't hard in a good way, the game often dicks you over with random offscreen things — and the RPG guys' rockets make it really hard to kill anything without taking seven rockets to the face.
2/5
150,000,000 doesn't even warrant an impossible badge. That could be gotten pretty easily if the player put enough effort into not going fast. It'd just be a boring waste of time. Lets say.... 300x multiplier. That seems to be about as hard as most impossible badges on kong.