Here is the full list of all 25 PUT ANNA achievements.
Be sarcastic
Say yes
Say no
Go through the meeting without fighting with the old women
Defeat 18 old women
Find Car!
Listen to the story of Ksyusha
Help to shy pervert
Don't watch what you shouldn't watch
Let the PetuShock escape
Finally defeat the Crimsonov
Notice the oddity
Guess all the puzzles of Denkoff Bank
Defeat Goose-Hydra
Defeat Grumpy cat
Defeat Whale
Defeat Minotaur
Send Charen to the friendzone
Feed Cerberus
Join the ranks of the SS
Defeat Dragon
Solve the problem with housing
Defeat Denkoffa
Defeat Son of Ares
Finish game