Full list of all 10 Collapse! achievements worth 200 gamerscore. It takes around 0-0.5 hours to unlock all of the achievements on Windows Phone.
Remove more than 20 blocks with one move.
Remove more than 30 blocks with one move.
Remove more than 40 blocks with one move.
Remove all the blocks on the screen.
Remove blocks 5 times within 4 seconds.
Remove blocks of every color currently in the game in rapid succession.
Every click removes blocks.
Complete a level when blocks are at the topmost row.
Complete a level without using any power-ups.
Solve a puzzle with as few clicks as possible.