| Date | User | Challenge | Score |
| TATOSTADO | Hex | 5 | |
| gcespedes | Greatest Common Divisor | 15 | |
| gcespedes | Lemur XOR | 40 | |
| Bren | You either know, XOR you don't | 30 | |
| alifgfr | Finding Flags | 2 | |
| Bren | Favourite byte | 20 | |
| Bren | XOR Properties | 15 | |
| Bren | XOR Starter | 10 | |
| Bren | Bytes and Big Integers | 10 | |
| Bren | Base64 | 10 | |
| Bren | Hex | 5 | |
| Bren | ASCII | 5 | |
| Bren | Great Snakes | 3 | |
| Bren | Finding Flags | 2 | |
| TATOSTADO | ASCII | 5 | |
| rana9010 | Bytes and Big Integers | 10 | |
| gcespedes | You either know, XOR you don't | 30 | |
| TATOSTADO | Great Snakes | 3 | |
| gcespedes | Favourite byte | 20 | |
| TATOSTADO | Finding Flags | 2 | |
| rana9010 | Base64 | 10 | |
| gcespedes | XOR Properties | 15 | |
| lucy54 | ProSign 3 | 100 | |
| gcespedes | XOR Starter | 10 | |
| gcespedes | Bytes and Big Integers | 10 | |
| gcespedes | Base64 | 10 | |
| gcespedes | Hex | 5 | |
| gcespedes | ASCII | 5 | |
| gcespedes | Great Snakes | 3 | |
| gcespedes | Finding Flags | 2 | |
| f2ri2 | Bytes and Big Integers | 10 | |
| rana9010 | Hex | 5 | |
| abdullahshamhan | Hex | 5 | |
| f2ri2 | Base64 | 10 | |
| syeyoung | Oh SNAP | 120 | |
| grazkaa | Static Client | 100 | |
| f2ri2 | Hex | 5 | |
| yousef_m7 | Keyed Permutations | 5 | |
| rana9010 | ASCII | 5 | |
| duongsec | Extended GCD | 20 | |
| f2ri2 | ASCII | 5 | |
| potifypremium | Extended GCD | 20 | |
| HGHarry | Base64 | 10 | |
| Kryptoe | Finding Flags | 2 | |
| HGHarry | Hex | 5 | |
| mcqueen | Base64 | 10 | |
| f2ri2 | Great Snakes | 3 | |
| f2ri2 | Finding Flags | 2 | |
| mcqueen | Hex | 5 | |
| HGHarry | ASCII | 5 |
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