Here is the full list of all 12 Rainbow Islands: Towering Adventure! achievements worth 200 gamerscore.
Cleared one Area in "Time Attack" mode in under a minute.
Played all Areas in "Time Attack" mode.
Completed the game with the Good Ending.
Reached <10,500m>.
Reached <5000m> in "Challenge" Mode.
Dropped 40m without landing once.
Successfully collected all diamonds.
Reached <1000m> without suffering any damage.
Bounced an enemy attack off a Rainbow Shield.
Used Rainbow Jump at Lv7.
Reached <1000m> in "Story" Mode.
Produced a rainbow while jumping and climbed it.