efiens
34th place
2772 points
Solves
| Challenge | Category | Value | Time |
| BabyRE | Reverse Engineering | 100 | |
| alice_bob_dave | Cryptography | 100 | |
| chaos | Cryptography | 136 | |
| 1n_jection | Cryptography | 304 | |
| Eat Sleep Trace Repeat | Reverse Engineering | 365 | |
| Twist and Shout | Cryptography | 718 | |
| Real Mersenne | Cryptography | 949 | |
| A Small Maniac's game | Miscellaneous | 100 |