Here is the full list of all 16 INDIKA achievements.
Find the kudets
Find an indecent book
Find a pair of bast shoes
Drown in the pond 10 times
Cut off Ilya's hand
Watch the Drying Scene
Climb the fish dryer without falling
Fall off the fish dryer 5 times
Destroy all the crates at the station
Pray while being chased by a dog
Hit the piano against the walls 5 times
Pray for the deceased
Complete the cave in one prayer
Find the icon above the cave
Drown in the river 5 times
Drop the ladder in the tower