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