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