Here is the full list of all 21 Violett Remastered achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Collect 90% of blue orbs
Collect 90% of all orbs
Collect all pages from uncles diary
Become a clock expert
Feed the Giant Snail Father with a fair share of crabs
Put on the helmet, it's for your own safety
Change your clothing five times
Collect 90% of green orbs
Collect 90% of celadon orbs
Collect 50% of all orbs
Collect 50% of blue orbs
Collect 50% of green orbs
Find three hidden whistle pops
Keep on doing pointless action
Touch every piece of cookware
Collect 50% of celadon orbs
Capture the buzzing fly
Collect all but one of the orbs
Use 10 hints only to finish the Game
Finish the Game without using any hints
Defeat Her Spiderness without using earth powers