Here is the full list of all 21 Your Doodles Are Bugged! achievements.
Complete all main campaign doodles in a total time of under 3 hours
Rescue a total of 10,000 bugs
Solve all main campaign doodles in a single game session
Rescue ALL bugs in all main campaign doodles (except "Suicide Mission")
Solve enough doodles for a total completion time of more than 10 hours
Solve doodle 15 "Things That Go Bump In The Night" in 2 minutes after removing the first barrier
Solve doodle 14 "Ghost From The Bottle" without using the eraser
Create a new doodle with at least one element from every main campaign doodle
Reach the rank of Master Doodler
Unlock the bonus doodle
Let at least one bug die in every doodle that contains a deadly hazard
Solve doodle 11 "Dancing On The Highwire" without running out of ink a single time
Beat the developer time in doodle 13, 17 or 18
Solve doodle 20 "Suicide Mission" without killing a single bug
Complete all doodles of the main campaign
Solve the secret of the blue bug
Solve doodle 5 "Skydiving Lessons" with a single stroke
Import a doodle that was created by another player
Draw ink over 100 bugs
Create a new doodle and play through it
Reach the rank of Journeyman Doodler