Here is the full list of all 54 Laika 2.0 achievements.
Complete the first operation
Complete the second operation
Complete the third operation
Complete the fourth operation
Complete the fifth operation
Complete the sixth operation
Complete the seventh operation
Complete the eighth operation
Complete the ninth operation
Complete the tenth operation
Complete all the operations
Earn a silver medal
Earn a gold medal
Earn a platinum medal
Earn a platinum medal in every operation
Find a secret journal
Find all the secret journals during an operation
Find all the secret journals in the game
Complete a level without dying once
Die 30 times before gaining the abstraction ability
Die 10 times in the room where you gain the abstraction ability
Get killed 10 times by Maskini during the first operation
Five minutes have passed since the activation of the self-destruction sequence
Complete the laser puzzle in the second operation without dying
Defeat the boss of the second operation using the left button
Complete the third operation without being spotted by a single soldier
Try to leave the last car of the train during the third operation without recovering the suit case
Get killed 15 times by the train wheels during the third operation
Return to the top room in the left wing without having pushed the unlock button
Try to press the blue button with the abstracion
Get killed 5 times by the boss of the fourth operation by hitting it
Finish the last part of the fourth operation by pressing only 2 buttons
Clear the fifth operation without collecting a single secret journal
Defeat the boss of the fifth operation without dying once
Complete the fifth operation without being spotted by a single soldier
Get back inside the lab without placing the radio transmitters during the fifth operation
Complete the room with the 3 soldiers in the fifth operation without dying
Survive the initial fall of the sixth operation
Collect the "unreachable" secret of the sixth operation
Die in the low right corner of the big room with the boulders during the sixth operation
Die 10 times in the holes in the room of the sixth operation's boss
Get killed 10 times by the swiss guard
Complete the seventh operation without getting killed by floor spikes and dart shooters
Defeat the boss of the seventh operation without dying once
Die 20 times in the room of passage with the swiss guard
Stay 20 second below the same water sprinkler in the eight operation
Defeat the boss of the eighth operation without dying once
Get killed 30 times by the flames during the eights operation
Complete the ninth operation without being spotted by a single soldier
Defeat the boss of the ninth level without missing a single "shot"
Stay suspended in the air for 3 seconds in the room filled with fans during the ninth operation
Defeat both the Laika 3.0
Get killed 10 times by the grinders during the tenth operation
Get in the base without looking at the diamond