Here is the full list of all 33 Passcode Breaker: The Day Before achievements.
Deactivate first computer in story mode
Wipe story data and start once again
Finish story mode
Finish story mode without playing any Layer 3 level in easy mode
Break 25 codes in total (in any mode)
Break 50 codes in total (in any mode)
Break 100 codes in total (in any mode)
Fail in a level (in any mode)
Fail 25 times (in any level)
Finish every level in the first Speed Run layer
Finish every level in the second Speed Run layer
Finish every level in the third Speed Run layer
Score at least 250 points in classic mode (easy difficulty)
Score at least 250 points in classic mode (medium difficulty)
Score at least 250 points in classic mode (hard difficulty)
Score at least 500 points in classic mode (easy difficulty)
Score at least 500 points in classic mode (medium difficulty)
Score at least 500 points in classic mode (hard difficulty)
Score at least 5 points in Blind Run
Score at least 10 points in Blind Run
Score at least 5 points in 2s
Score at least 10 points in 2s
Score at least 5 points in 4s
Score at least 10 points in 4s
Finish all the layers in Speed Run