Sutte Hakkun is a puzzle action game in the shape of a platformer. The playing character is an abundant-beaked bird resembling a penguin, named Hakkun, that is able to walk and jump but not to fly. The Rainbow of Happiness shined in the sky above Peaceful Islands: one day it broke apart and now Hakkun has to track down, collect, and put together all rainbow crystals to relive it. The gameplay hinges upon two elements: blocks and potions, the latter of several colours. Hakku makes its way through levels by changing the position of blocks — that will be done by swallowing them to release them on an other place then — and sucking potions — that are to be injected to blocks by the beak, endowing them with new properties consequential to the colour of the fluid — from jars. A level is cleared when the rainbow shards in it are collected. Neither a time limit nor enemy characters are there impeding Hakkun's way. Equally distinctive is the score system: a set number of points is given at the beginning...
