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 40 blocks with one move.
Solve a puzzle with as few clicks as possible.
Remove more than 30 blocks with one move.
Remove blocks 5 times within 4 seconds.
Complete a level when blocks are at the topmost row.
Remove all the blocks on the screen.
Remove more than 20 blocks with one move.
Every click removes blocks.
Complete a level without using any power-ups.
Remove blocks of every color currently in the game in rapid succession.