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
Russi
Squid
Trap
Cubic
Conne
Spa D
Stick
Elite
Aero
Pinoc
Anthi
Truck
Snowb
Mahjo
Drag
Break
Tom A
Bubbl
Memor
Super
Baske
Surf
Flapp
Parki
Buuno
Pop T
Super
Stick
Chris
Chef
Candy
India
Roman