| Date | User | Challenge | Score |
| momolamorue | Computing Public Values | 25 | |
| chomcel | CERTainly not | 30 | |
| munjud | ASCII | 5 | |
| Cesar96333333 | ASCII | 5 | |
| momolamorue | Generators of Groups | 20 | |
| useless | Resisting Bruteforce | 10 | |
| 0X1GHOST | Marin's Secrets | 50 | |
| Cesar96333333 | Great Snakes | 3 | |
| hannaalkayal | Hex | 5 | |
| MohammadLeader | Hex | 5 | |
| BDunsmuir | Factoring | 15 | |
| Cesar96333333 | Finding Flags | 2 | |
| 0X1GHOST | Infinite Descent | 50 | |
| michael_12 | Hex | 5 | |
| jemi_alfarhan | ASCII | 5 | |
| hannaalkayal | ASCII | 5 | |
| 0X1GHOST | Everything is Still Big | 100 | |
| roro1234 | Hex | 5 | |
| jemi_alfarhan | Great Snakes | 3 | |
| roro1234 | ASCII | 5 | |
| chomcel | Privacy-Enhanced Mail? | 25 | |
| kuan6767 | Favourite byte | 20 | |
| Fadi | Finding Flags | 2 | |
| michael_12 | ASCII | 5 | |
| MohammadLeader | ASCII | 5 | |
| momolamorue | Working with Fields | 10 | |
| jemi_alfarhan | Finding Flags | 2 | |
| hannaalkayal | Great Snakes | 3 | |
| michael_12 | Great Snakes | 3 | |
| MohammadLeader | Great Snakes | 3 | |
| munjud | Great Snakes | 3 | |
| roro1234 | Great Snakes | 3 | |
| kuan6767 | XOR Properties | 15 | |
| GCNH | Base64 | 10 | |
| MohammadLeader | Finding Flags | 2 | |
| michael_12 | Finding Flags | 2 | |
| kuan6767 | XOR Starter | 10 | |
| hannaalkayal | Finding Flags | 2 | |
| munjud | Finding Flags | 2 | |
| kuan6767 | Bytes and Big Integers | 10 | |
| GCNH | Hex | 5 | |
| roro1234 | Finding Flags | 2 | |
| kuan6767 | Base64 | 10 | |
| Patr1ckf | Quadratic Residues | 25 | |
| GCNH | ASCII | 5 | |
| kuan6767 | Hex | 5 | |
| mC0ffee | Great Snakes | 3 | |
| kuan6767 | ASCII | 5 | |
| mC0ffee | Finding Flags | 2 | |
| kuan6767 | Great Snakes | 3 |
You are now level Current level