This category challenges your deductive ability to use a program's behavior and output to figure out its input, thus reversing the original behavior of the program. The reverse engineering challenges for this contest are:
- Hexable [25 points]
- Phunky Python I [30 points]
- Useless Python [50 points]
- Phunky Python II [115 points]
- Lucky Guess [200 points]
- Hex QR [200 points]
- 67k [400 points]
- Morphin [450 points]