Here is the full list of all 20 Hyphen achievements.
Every level completed with a 5✯ rating
Get at least a 4✯ rating on the ALLOYD, BIGBADBOB & MCCANNMARC levels
Died 5000 times
Earned 25 5✯ ratings on level completion
Launched the game at least 50 times
Survived 45 waves in the Hot Floors mini game
Attempted any single level at least 10 times
Survived for 1 minute in the Cannon Dodge mini game
Unlocked both of the mini games
Listened to every track in the soundtrack
Completed every level in the game
Died 1000 times
Watched the credits in their entirety
Earned 10 5✯ ratings on level completion
Completed half of the games levels
Bragged to at least one social network
Completed one quarter of the games levels
Earned 5 5✯ ratings on level completion
Died 100 times
Earned your first 5✯ rating on level completion