Full list of all 28 Tumblestone achievements worth 1,500 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 22 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 6 achievements worth 500 Gamerscore.
Won a Battle match against 3 Nightmare bots.
Won an online Battle match.
Won an online Tug of War match.
Won a Tug of War match against 3 Nightmare bots.
Won an online Puzzle Race match.
Completed the Story Mode.
Completed World 11.
Completed World 10.
Won a Puzzle Race match using a modifier.
Completed World 9.
Completed World 8.
Solved Puzzle 2-8 using 44 moves.
Solved a 3-star Practice Puzzle.
Completed 25 quests.
Completed World 7.
Reached rank 25.
Completed World 6.
Completed World 5.
Completed World 4.
Completed World 3.
Completed World 2.
Completed World 1.
Got a score of 1,234 in Marathon.
Emptied the board in Marathon.
Got a score of 500 in Infinipuzzle.
Got a score of 333 in Infinipuzzle using a modifier.
Got a score of 333 in Heartbeat.
Emptied the board in Heartbeat.