Here is the full list of all 29 ASCIILL achievements.
Complete the mission with the crypts
Complete the mission with bugs
Mission with the smashing of bugs
Complete the underwater mission
Complete the mission with lasers
Complete the mission with grenades
Get out of captivity
Banish the B.O.S.S.
Complete the game on hard difficulty
Smash two bugs at a time
Finish the level underwater
Collect all hearts
Collect all $ in the last level
Complete two missions in an hour
Complete three missions in an hour
Complete three times
Complete fifteen times