Here is the full list of all 27 Sweep'n'Sweep achievements.
See the number 7
Place 1000 flags
Place 100 flags
Clear 200 lines in a single game
Clear 200 lines without pausing the game
Clear 200 lines without placing any flags
Play the game 100 times
Clear a total of 1000 lines
Clear 100 lines in a single game
Clear 100 lines without pausing the game
Clear 100 lines without placing any flags
See the number 6
Play the game 10 times
Clear a total of 100 lines
Clear 10 lines in a single game
Clear 10 lines without placing any flags
Clear 1 line in a single game
Clear one line without placing any flags
See the number 5
Play the game for the first time!
Place your first flag
Clear 1000 lines in a single game
Clear a total of 10000 lines
Place 10000 flags
Place 50000 flags
See the number 8
Clear 1000 lines without pausing the game