Full list of all 12 Chime achievements worth 200 gamerscore. It takes around 12-15 hours to unlock all of the achievements on Xbox 360.
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Play all the levels in both Time Mode and Free Mode.
Completely fill the grid in Free Mode.
Have 3 active quads onscreen at once.
Create a quad before the beatline has made its first pass of the level.
Create a quad containing 80 cells or more.
Score a total of 50 million points.
Find 6 different quad sounds on a level. Quads can be square, wide or tall, and either small or big.
Create 7 quads on the grid in one pass of the beatline.
Build up a score multiplier of 25 or more.
Create a single quad that covers the entire width of the grid on every level.
Get 100% coverage or more on every level in 3 minute mode.