| Date | User | Challenge | Score |
| jetpack | XOR Starter | 10 | |
| jskeob | Scalar Multiplication | 35 | |
| abc213214king | Hex | 5 | |
| abc213214king | ASCII | 5 | |
| a_h_khalil | Finding Flags | 2 | |
| dardzk | Great Snakes | 3 | |
| badw1r3d | Base64 | 10 | |
| Gabrielius | Network Attacks | 5 | |
| mufeez | Hex | 5 | |
| zhaopy | Round Keys | 20 | |
| jskeob | Point Addition | 30 | |
| xinshuo1234513 | Hex | 5 | |
| Abdullah5565 | Logon Zero | 80 | |
| abc213214king | Great Snakes | 3 | |
| dardzk | Finding Flags | 2 | |
| Abdullah5565 | CTRIME | 70 | |
| abc213214king | Finding Flags | 2 | |
| Abdullah5565 | Bean Counter | 60 | |
| Abdullah5565 | Symmetry | 50 | |
| badw1r3d | Hex | 5 | |
| Abdullah5565 | Triple DES | 60 | |
| Wequra | Confusion through Substitution | 25 | |
| ykm | Resisting Bruteforce | 10 | |
| Abdullah5565 | Lazy CBC | 60 | |
| ykm | Keyed Permutations | 5 | |
| Abdullah5565 | Flipping Cookie | 60 | |
| Abdullah5565 | ECB Oracle | 60 | |
| jetpack | Bytes and Big Integers | 10 | |
| Abdullah5565 | ECB CBC WTF | 55 | |
| Lzh | Introduction to Isogenies | 10 | |
| Abdullah5565 | Passwords as Keys | 50 | |
| ykm | Chinese Remainder Theorem | 40 | |
| happyLYY | Round Keys | 20 | |
| ykm | Quadratic Residues | 25 | |
| mufeez | ASCII | 5 | |
| yibar89335 | U-turn (Breizh CTF) | 0 | |
| Tytyn | XOR Starter | 10 | |
| crypto_saka_hack | Modulus Inutilis | 50 | |
| anbuu03 | Finding Flags | 2 | |
| carwyn17jones | Modular Arithmetic 2 | 20 | |
| happyLYY | Structure of AES | 15 | |
| zhaopy | Keyed Permutations | 5 | |
| crypto_saka_hack | Salty | 20 | |
| happyLYY | Resisting Bruteforce | 10 | |
| carwyn17jones | Modular Arithmetic 1 | 20 | |
| happyLYY | Keyed Permutations | 5 | |
| yibar89335 | Do you have good eyes? (Breizh CTF) | 0 | |
| zhaopy | Modular Binomials | 80 | |
| Gabrielius | Great Snakes | 3 | |
| Gabrielius | Finding Flags | 2 |
You are now level Current level