| Date | User | Challenge | Score |
| Josgacor | XOR Properties | 15 | |
| toughguy | Great Snakes | 3 | |
| yyfsec | You either know, XOR you don't | 30 | |
| NashatAnwar | Marin's Secrets | 50 | |
| NashatAnwar | Infinite Descent | 50 | |
| NashatAnwar | Endless Emails | 150 | |
| Josgacor | XOR Starter | 10 | |
| NashatAnwar | Crossed Wires | 100 | |
| Darkdead3301 | Quadratic Residues | 25 | |
| 404page | XOR Starter | 10 | |
| devgokool | Finding Flags | 2 | |
| ilypsm | Great Snakes | 3 | |
| changrui | Hex | 5 | |
| NashatAnwar | Everything is Big | 70 | |
| ilypsm | Finding Flags | 2 | |
| NashatAnwar | Modulus Inutilis | 50 | |
| Josgacor | Bytes and Big Integers | 10 | |
| 404page | Bytes and Big Integers | 10 | |
| changrui | ASCII | 5 | |
| XyLost | ASCII | 5 | |
| XyLost | Great Snakes | 3 | |
| 404page | Base64 | 10 | |
| FurinaVN | Modular Arithmetic 1 | 20 | |
| XyLost | Finding Flags | 2 | |
| 404page | Hex | 5 | |
| Josgacor | Base64 | 10 | |
| 404page | ASCII | 5 | |
| 404page | Great Snakes | 3 | |
| jazibmahamudmahi | ASCII | 5 | |
| changrui | Great Snakes | 3 | |
| 404page | Finding Flags | 2 | |
| jazibmahamudmahi | Great Snakes | 3 | |
| Car0l | Bytes and Big Integers | 10 | |
| Josgacor | Hex | 5 | |
| Josgacor | ASCII | 5 | |
| jazibmahamudmahi | Finding Flags | 2 | |
| yyfsec | Favourite byte | 20 | |
| shenchen | Great Snakes | 3 | |
| Josgacor | Great Snakes | 3 | |
| shenchen | Finding Flags | 2 | |
| FurinaVN | Extended GCD | 20 | |
| FurinaVN | Greatest Common Divisor | 15 | |
| Josgacor | Finding Flags | 2 | |
| Wisdom_doom | Great Snakes | 3 | |
| Wisdom_doom | Finding Flags | 2 | |
| mattr76 | Extended GCD | 20 | |
| aimansaif | WOTS Up 2 | 90 | |
| aimansaif | WOTS Up | 75 | |
| aimansaif | Merkle Trees | 25 | |
| vbao | Bytes and Big Integers | 10 |
You are now level Current level