Here is the full list of all 30 Drawn: The Painted Tower achievements.
Ignore the Lion that isn’t a friend
Look away if it bothers you too much
Successfully beat the Griffon’s Castle Window Puzzle in 5 or fewer moves
Successfully open the gate to the Griffon’s Castle without making the gate’s eyes red at all
You can beat it next time
Arm the Knight right the first time
Successfully complete the Flood Fill mini game in the market in 13 moves
Correctly paint the three clouds in the Tree Painting right the first time
Successfully beat the Tree House floor puzzle before the skip puzzle timer fills up
Beat the Spider mini game in the base of the Giant Tree in 4 or fewer moves
Successfully completed the potion right the first time in the Hut Painting
Successfully complete the Tile Puzzle in the Foyer Chest in 16 or fewer moves
Find Iris
Successfully beat the game without skipping any puzzles
Successfully completed Drawn without using any hints
Find the hidden path out of the Fire and Ice room
Successfully complete the Griffon’s puzzle without needing to restart
Find a way to melt the ice on the other side of the room
Translate the cave wall images
Beat the Number Rings puzzle before the skip puzzle timer fills up
Successfully created the Hero for the Clock Tower play
Find a way to cross the broken bridge
Successfully opened the Heart Door
Successfully found the magic staff in the hut before the shrunken head told you where it was
Repaired the broken window before the skip puzzle timer had a chance to charge
Opened the Cloud Door using the heat of the sun
Figure out how to help the farm
Successfully combined two items to make a third
Find a way to enter your first painting
Beat the Foyer Chest Dial Puzzle without skipping