Here is the full list of all 40 Rocco's Island: Ring to End the Pain achievements.
Traveled through time to arrive on island.
Answered first riddle.
Answered all riddles in Floe Peaks.
Answered all riddles in Thera Valley.
Answered all riddles in Mount Blaiz
Answered all riddles in game.
Ate magic mushrooms.
Gave Sot-du-Kong to Wheeler
Pulled bracelet out of bronze statue.
Obtained Nike's Air.
Obtained Felipe's key.
Obtained Tahvo's key.
Obtained Barta's key.
Obtained Gael's key.
Rocco defeated and Bells destroyed.
Mother and daughter reunited.
You've experienced the horror of "Game Over."
Found 25 hidden items
Found 50 hidden items
Found all items
Viewed all pages in Evelyn's Journal
Finished single 3-match puzzle with 15 moves left
Opened all vaults (2048 games) on island.
Completed game without using any items in 3-match puzzles.
Made Jon fly back and forth 12 times.
Made Tet carry passengers 12 times.
Popped a jellyfish 12 times in underwater.
Used all four save slots provided by game.
Clicked a Cogoo staff member's name during end credits.
Cleared game with only one earthquake left.
Experienced all weather patterns.
Used "all-boom" orbs 3 times
Failed a riddle for the first time.
Failed a riddle 10 times.
Used Orbs 20 times.
Charted all regions on map (Looked through 4 telescopes).
Wasted a bell count by clicking the red-glowing Bells of Kataclysm.
Clicked mouse 5000 times in game!
Stood still in 3-match puzzle for 3 minutes.
Obtained all achievements.