If you suddenly get stuck at one of the stages, boosters will come to your aid. For example "rainbow" - removes all octopuses of the color with which you swap them. And "Bomb" - will remove all the octopuses that are next to it.
Removes all octopuses of the color with which you swap them
Dotte
Pest
Lonel
Climb
The U
Merge
Cats
Drift
Outsw
Alien
Harve
Knock
Chris
Rainb
One
Kara
Priso
Color
India
Crazy
Valen
Sling
Rgb C
Xmas
Boat
Loop
Buto
Get 1
Battl
Lizam
Angry
Taile
Royal