Here is the full list of all 10 Mission Evilguy achievements.
Start a new game
Complete all levels of Episode 1
Complete all levels of Episode 2
Earn Gold Medals on all levels of Episode 1
Earn Gold Medals on all levels of Episode 2
Earn Gold Medals on all levels of Episode 3
Restart a level 5 times consecutively
Play the game on 16th of August
Watch the credits to the end