Metrico

Found all the collectibles

Completed World 1 in one play session without jumping more than 42 times

Completed World 3 in one play session while killing less than 18 enemies

Completed World 4 in one play session without using the circle button

Completed World 5 in one play session without turning the Vita

Completed World 6 in one play session without using the triangle button

Entered a door 4 times where more than 50% of all players had done so

Entered a door 4 times where less than 50% of all players had done so

Interacted with all forms of input, right at the start of World 1