There are 12 achievements worth a total of 200 points
Destroy 20 nasties with one smart bomb
Score 1,000,000
Score 10,000,000 or more in one game
Score 10,000 points
1,000,000 on first life
Have 30 lives in hand
Finish wave 60
1,000,000 points without smarting at standard difficulty level or higher
Collect all the crystals and exit the gateway of wave 1 in 5 seconds or less
Have 30 smarts in hand
Avoid mines etc for 20 levels
Collect 30 bonus crystals