Here is the full list of all 12 Heaven Island - there are VR MMO achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Collect all 70 shells
Collect 60 shells
Collect 70 apples
Collect 60 apples
Collect 30 shells
Collect 30 apples
Collect 15 shells
Collect 15 apples
Collect 1 shell
Collect 5 shells
Collect 1 apple
Collect 5 apple