Here is the full list of all 29 Starcaller achievements.
Complete your first ritual.
Achieve a score of 100 in ritual
Achieve a score of 200 in ritual
Complete a total of 50 puzzles
Complete a total of 100 puzzles
Complete a total of 250 puzzles
Reach the top 10 on any leaderboard
Grab a total of 50 objects
Grab a total of 100 objects
Complete any puzzle with 5 seconds remaining
Equip one new hand skin
Unlock a total of 5 hand skins
Complete a total of 20 rituals in any game mode
Complete Chimes tier 3 on your first try
Complete Buzzwire tier 3 on your first try
Throw a Jigsaw piece up the temple shaft
Unattach all the tier 3 rope loops from their pegs, onto the floor
Spin a Slots wheel to its maximum velocity
Solve Portrait but upside down
Turn two discs at the same time
Smash a crystal with maximum force!
Place the crystals into all the wrong sockets
Put your hand through the lens
Finish a Ritual without throwing any shards into an orange portal
Become the number 1 Starcaller (Achievable from 5th April 2021)
Survive 2 minutes 30 seconds in Survival mode
Pass the ball through every possible goal before finishing the puzzle
Illuminate each rune on the lights puzzle in order from smallest to largest
Correctly pair 10 cards on one wall without failing