| Date | User | Challenge | Score |
| brndn | Symmetry | 50 | |
| akshu15 | Great Snakes | 3 | |
| Darren_Tanui | Bean Counter | 60 | |
| Mwangi10 | Round Keys | 20 | |
| Darren_Tanui | Symmetry | 50 | |
| Darren_Tanui | Flipping Cookie | 60 | |
| scrudpunk | ASCII | 5 | |
| Darren_Tanui | ECB CBC WTF | 55 | |
| Darren_Tanui | ECB Oracle | 60 | |
| Darren_Tanui | Passwords as Keys | 50 | |
| brndn | Flipping Cookie | 60 | |
| Darren_Tanui | Modes of Operation Starter | 15 | |
| Darren_Tanui | Bringing It All Together | 50 | |
| Darren_Tanui | Diffusion through Permutation | 30 | |
| 167146 | Bean Counter | 60 | |
| akshu15 | Finding Flags | 2 | |
| zzae | Salty | 20 | |
| 167146 | Symmetry | 50 | |
| brndn | ECB CBC WTF | 55 | |
| 167146 | Flipping Cookie | 60 | |
| nimo08 | Keyed Permutations | 5 | |
| 167146 | ECB CBC WTF | 55 | |
| 167146 | ECB Oracle | 60 | |
| 167146 | Passwords as Keys | 50 | |
| dirmanyfer | XOR Properties | 15 | |
| dec256 | Modular Binomials | 80 | |
| viktory | ASCII | 5 | |
| Mwangi10 | Structure of AES | 15 | |
| DetectiveBunny11 | Greatest Common Divisor | 15 | |
| anisadje | ASCII | 5 | |
| Darren_Tanui | Confusion through Substitution | 25 | |
| brndn | ECB Oracle | 60 | |
| rosanyakomitta | ECB Oracle | 60 | |
| Mwangi10 | Resisting Bruteforce | 10 | |
| conor13rp | Working with Fields | 10 | |
| scrudpunk | Great Snakes | 3 | |
| Void1x | Base64 | 10 | |
| JoeNgala | Symmetry | 50 | |
| scrudpunk | Finding Flags | 2 | |
| brndn | Passwords as Keys | 50 | |
| Darren_Tanui | Round Keys | 20 | |
| terrencyy | Passwords as Keys | 50 | |
| Darren_Tanui | Structure of AES | 15 | |
| zzae | Manyprime | 40 | |
| JoeNgala | ECB CBC WTF | 55 | |
| 167146 | Modes of Operation Starter | 15 | |
| Void1x | Hex | 5 | |
| Mwangi10 | Keyed Permutations | 5 | |
| 167146 | Bringing It All Together | 50 | |
| serena123 | ECB Oracle | 60 |
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