| Date | User | Challenge | Score |
| ersultan54 | Base64 | 10 | |
| ersultan54 | Hex | 5 | |
| PlumberOR | ASCII | 5 | |
| ersultan54 | ASCII | 5 | |
| Duman | Bean Counter | 60 | |
| Asanali | Passwords as Keys | 50 | |
| adnlv | Base64 | 10 | |
| PlumberOR | Great Snakes | 3 | |
| ersultan54 | Great Snakes | 3 | |
| Mihail5982 | Adrien's Signs | 80 | |
| Asanali | Modes of Operation Starter | 15 | |
| ByVoidd | Network Attacks | 5 | |
| MARTABAKMANIS | Privacy-Enhanced Mail? | 25 | |
| Duman | Symmetry | 50 | |
| Makdsak666 | Modular Binomials | 80 | |
| ersultan54 | Finding Flags | 2 | |
| PlumberOR | Finding Flags | 2 | |
| butcher | ECB CBC WTF | 55 | |
| Asanali | Bringing It All Together | 50 | |
| Mihail5982 | Chinese Remainder Theorem | 40 | |
| Mihail5982 | Modular Square Root | 35 | |
| Asanali | Diffusion through Permutation | 30 | |
| Duman | Flipping Cookie | 60 | |
| Mihail5982 | Legendre Symbol | 35 | |
| Duman | ECB CBC WTF | 55 | |
| Asanali | Confusion through Substitution | 25 | |
| Makdsak666 | Adrien's Signs | 80 | |
| Mihail5982 | Quadratic Residues | 25 | |
| Duman | ECB Oracle | 60 | |
| Mihail5982 | Modular Inverting | 25 | |
| Asanali | Round Keys | 20 | |
| Mihail5982 | Modular Arithmetic 2 | 20 | |
| Makdsak666 | Chinese Remainder Theorem | 40 | |
| Mihail5982 | Modular Arithmetic 1 | 20 | |
| Mihail5982 | Extended GCD | 20 | |
| Makdsak666 | Modular Square Root | 35 | |
| Asanali | Structure of AES | 15 | |
| Mihail5982 | Greatest Common Divisor | 15 | |
| yungmojtaba | Greatest Common Divisor | 15 | |
| Asanali | Resisting Bruteforce | 10 | |
| Asanali | Keyed Permutations | 5 | |
| Madhav_J | ASCII | 5 | |
| adnlv | Hex | 5 | |
| Asanali | Modular Binomials | 80 | |
| Madhav_J | Great Snakes | 3 | |
| Asanali | Adrien's Signs | 80 | |
| Duman | Passwords as Keys | 50 | |
| Asanali | Chinese Remainder Theorem | 40 | |
| Asanali | Modular Square Root | 35 | |
| Duman | Modes of Operation Starter | 15 |
You are now level Current level