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