Find three secret flowers in any level.
When you are in the wind canyon in the Pink flower stage, stay to your left to find a series of caves. Stay to the right and you will go through a cave with markings resemble the creature from flOw.
Complete a stage, then in the room for ten minutes before continuing.
Find the dark pool in the Blue Flower stage. Fly into the water when your petal is glowing to light it up.
Allow the game to idle until the screensaver appears, then leave it running for three minutes.
Get to the end of the second area in the Red Flower stage. Bloom the flowers in the open field with rock formations. The formations will open up unlock an air current. Fly into the current and it will change the color of your petal. You can now paint the grass.
Reach the end of the Purple Flower stage without getting touched by the electricity. Try collecting as few flowers as possible to move slower.
Bloom all the flowers in the credits level to release the names.
Fly over to turn all the areas grassy again in level 6. You must restore the buildings by removing the steel structures.
Set the system date ahead by one week.