Observing details
Found a collectible

Compulsive explorer
Found all the collectibles

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

Mortality rate = zero
Completed World 2 in one play session without dying

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

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

Single perspective
Completed World 5 in one play session without turning the Vita

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

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

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

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