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