Here is the full list of all 14 Supaplex achievements.
Complete 80 levels.
Complete 60 levels.
"Eat away" the bug.
Complete 40 levels.
Go through 100 ports.
Complete 20 levels.
Complete all 5 training levels.
Move 100 zonks.
"Eat away" 50 infotrons.
"Eat away" activate the terminal.
Complete 100 levels.
Complete the last level.
Complete all levels.
"Eat away" 50 tiles whith bugs.