Here is the full list of all 19 Fine Sweeper achievements.
Step on 5000 bombs
Flag 50,000 bombs
Pick up 113 hearts
Clear the whole board in 1 click
Expert Mode unlocked
Try to cheat
Beat Level 50
Have all heart containers filled
Make it to Level 40
Make it to Level 30
Make it to Level 20
Pick up a Full Heart Container
Make it to Level 10 without any pick-ups
Make it to level 7 in less than 1 minute
Start a Custom Game
Beat a hi-score of 100,001
Make it to Level 10
Make it to Level 10 without a single mistake
Launch Fine Sweeper