Here is the full list of all 36 Overclocked achievements.
Complete Episode 1
Defeat the Bank Robber
Complete Episode 0
Complete Episode 2
Complete Episode 3
Complete Episode 4
Complete Episode 5
Complete Episode 6
Complete Episode 7
Badge every stage in Episode 0
Badge every stage in Episode 1
Badge every stage in Episode 2
Badge every stage in Episode 3
Badge every stage in Episode 4
Badge every stage in Episode 5
Badge every stage in Episode 6
Badge every stage in Episode 7
Defeat Riley
Defeat Hangman
Defeat Daedalus
Unlock every challenge
Complete every challenge
Badge every challenge
Complete Episode 0 without dying
Complete Episode 1 without dying
Complete Episode 2 without dying
Complete Episode 3 without dying
Complete Episode 4 without dying
Complete Episode 5 without dying
Complete Episode 6 without dying
Complete Episode 7 without dying
Complete the game in under 60 minutes
Complete the game with less than 100 deaths
View all Iris conversations
Die 1000 times
Trigger every explosive charge in "Feeling the Heat"