| Date | User | Challenge | Score |
| Elisha167004 | Round Keys | 20 | |
| saro | Bounded Noise | 50 | |
| kikaraichan | You either know, XOR you don't | 30 | |
| Elisha167004 | Structure of AES | 15 | |
| Camelot51 | Chinese Remainder Theorem | 40 | |
| Caleb_kariuki | Bringing It All Together | 50 | |
| Elisha167004 | Resisting Bruteforce | 10 | |
| TopG | XOR Starter | 10 | |
| TeddMuunda | ECB Oracle | 60 | |
| C_Mungla | ECB Oracle | 60 | |
| TeddMuunda | Passwords as Keys | 50 | |
| TeddMuunda | Modes of Operation Starter | 15 | |
| TeddMuunda | Bringing It All Together | 50 | |
| TeddMuunda | Diffusion through Permutation | 30 | |
| C_Mungla | Passwords as Keys | 50 | |
| mohsen | Structure of AES | 15 | |
| TeddMuunda | Confusion through Substitution | 25 | |
| TeddMuunda | Round Keys | 20 | |
| TeddMuunda | Structure of AES | 15 | |
| TeddMuunda | Resisting Bruteforce | 10 | |
| TeddMuunda | Keyed Permutations | 5 | |
| Ali_Omar | Bean Counter | 60 | |
| Elisha167004 | Keyed Permutations | 5 | |
| Caleb_kariuki | Diffusion through Permutation | 30 | |
| Ali_Omar | Symmetry | 50 | |
| Ali_Omar | Flipping Cookie | 60 | |
| hoodos | XOR Starter | 10 | |
| Juliet | Bean Counter | 60 | |
| Caleb_kariuki | Confusion through Substitution | 25 | |
| Musca | Blinding Light | 120 | |
| GCHELANGAT | Bean Counter | 60 | |
| jmbote | Bean Counter | 60 | |
| Wanini | Hex | 5 | |
| GCHELANGAT | Symmetry | 50 | |
| Juliet | Symmetry | 50 | |
| GCHELANGAT | Flipping Cookie | 60 | |
| Marvin_cheruiyot | Adrien's Signs | 80 | |
| Juliet | Flipping Cookie | 60 | |
| GCHELANGAT | ECB CBC WTF | 55 | |
| jmbote | Symmetry | 50 | |
| GCHELANGAT | ECB Oracle | 60 | |
| C_Mungla | Modes of Operation Starter | 15 | |
| jmbote | Flipping Cookie | 60 | |
| GCHELANGAT | Passwords as Keys | 50 | |
| GCHELANGAT | Modes of Operation Starter | 15 | |
| Ali_Omar | ECB CBC WTF | 55 | |
| GCHELANGAT | Bringing It All Together | 50 | |
| Juliet | ECB CBC WTF | 55 | |
| shynnevilla | Find the Lattice | 100 | |
| GCHELANGAT | Diffusion through Permutation | 30 |
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