| Date | User | Challenge | Score |
| Mopsock | Base64 | 10 | |
| tasha_K | Favourite byte | 20 | |
| tasha_K | XOR Properties | 15 | |
| tasha_K | XOR Starter | 10 | |
| tasha_K | Bytes and Big Integers | 10 | |
| tasha_K | Base64 | 10 | |
| tasha_K | Hex | 5 | |
| tasha_K | ASCII | 5 | |
| Mopsock | Hex | 5 | |
| tasha_K | Great Snakes | 3 | |
| Sakutachii | Bytes and Big Integers | 10 | |
| User0069 | Real Eisenstein | 150 | |
| Mopsock | ASCII | 5 | |
| Mopsock | Great Snakes | 3 | |
| Mopsock | Finding Flags | 2 | |
| Sakutachii | Base64 | 10 | |
| WaleedAlhaji | Hex | 5 | |
| Sakutachii | Hex | 5 | |
| Sakutachii | ASCII | 5 | |
| CorreteGil | You either know, XOR you don't | 30 | |
| Sakutachii | Great Snakes | 3 | |
| Sakutachii | Finding Flags | 2 | |
| vyvetsop | Curveball | 100 | |
| CorreteGil | Favourite byte | 20 | |
| WaleedAlhaji | ASCII | 5 | |
| abycet | Favourite byte | 20 | |
| CorreteGil | XOR Properties | 15 | |
| y40 | You either know, XOR you don't | 30 | |
| abycet | XOR Properties | 15 | |
| Zyfer | Great Snakes | 3 | |
| CorreteGil | XOR Starter | 10 | |
| abycet | XOR Starter | 10 | |
| xianggenglihai | Modes of Operation Starter | 15 | |
| banhcuon79 | Everything is Still Big | 100 | |
| CorreteGil | Bytes and Big Integers | 10 | |
| roberto_lasso26 | Bytes and Big Integers | 10 | |
| CorreteGil | Base64 | 10 | |
| WaleedAlhaji | Great Snakes | 3 | |
| Neiel | Encoding Challenge | 40 | |
| y40 | Favourite byte | 20 | |
| CorreteGil | Hex | 5 | |
| Cheather12 | Network Attacks | 5 | |
| y40 | XOR Properties | 15 | |
| CorreteGil | ASCII | 5 | |
| y40 | XOR Starter | 10 | |
| WaleedAlhaji | Finding Flags | 2 | |
| banhcuon79 | Crossed Wires | 100 | |
| roberto_lasso26 | Base64 | 10 | |
| CorreteGil | Great Snakes | 3 | |
| CorreteGil | Finding Flags | 2 |
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