Here is the full list of all 33 Oxytone achievements.
Hear warning for the third time
Play 66 times
Play 100 times
Score total 99 999 points
Score total 333 333 points
Place 3 333 tiles
Get chain 102
Get chain 136
Get 3 333 filled tiles
Trail length is 700 on a single level
Trail length is 800 on a single level
Total trail length is 10 000
Get 66 filled tiles on single level
Discard 999 tiles
Finish 10 pyramids
Get fill combo 10
Unlock all maps
Unlock all challenge modes
Comeback from 0 tiles to 15 tiles
Get first gold medal
Get 3 gold medals
Get 6 gold medals
Get 9 gold medals
Get 12 gold medals
Get 15 gold medals
Get 18 gold medals
Get 24 gold medals
Get 30 gold medals
Get 36 gold medals
Complete 1 map card
Complete 2 map cards
Complete 3 map cards
Complete 4 map cards