Here is the full list of all 48 Kraken Academy!! achievements.
Collect 75,000 shlotinki.
Travel back to Monday 5 times.
Bounce on a bouncy castle.
Smash 1000 things.
Save Kraken Academy from doom and destruction.
Pet a cat.
Collect 175 bottles in one go.
Free the Drama Club spirit.
Collect all furniture.
Complete all side quests.
Befriend Kostadin.
Befriend Jean.
Summon a poop demon.
Befriend the Hobo Guy.
Befriend the Janitor.
Dig up all piles of dirt in one time loop.
Befriend Pierre.
Collect all club cards.
Free the Sports Club spirit.
Pull all the levers in the boss's office.
Get the drama club uniform.
Witness the end of the world.
Put furniture into every slot in your room.
Befriend Nikolai.
Go on all the dates.
Befriend Broccoli Girl.
Befriend Vladimir.
Befriend Patitsa.
Beat Yuki and Wendy's challenges on hard.
Get a score of 20 or more in Dimitri's challenge.
Score a goal in the gym.
Befriend Dimitri.
Free the Art Club spirit.
Call your Mom 8 times.
Convert 3 bottlemachines to the cause in one time loop.
Befriend Ana.
Get the cultist robes.
Collect 10,000 shlotinki.
Smash 250 things.
Free the Music Club spirit.
Get the skeleboner costume.
Wash your hands in 4 different sinks.
Befriend the Cafeteria Lord.
Befriend Simona.
Befriend Ms. Markova.
Get the penguin costume.
Gain the power to travel back in time.
Collect 75 bottles in one go.