Get a bronze medal.

Get a silver medal.

Get a gold medal.

Ghost buster
Beat your own ghost in a Time trial level where you already have a gold medal.

Without a scratch
Complete Platforming Hard A in less than 0:50:00 with no retries.

Easy does it
Beat the time 1:48:00 in Time trial Easy A.

Medium C
Beat the time 2:26:00 in Time trial Medium C.

Hard Times
Beat the time 4:25:00 in Time trial Hard B.

Time trial complete
Complete all Time Trial levels.

Platforming complete
Complete all Platforming levels.

Collector complete
Complete all Collector levels.

Nerves of steel
Complete Platforming Very Hard A without any retries.