| Date | User | Challenge | Score |
| brumbuz | Bytes and Big Integers | 10 | |
| Marvel146 | XOR Properties | 15 | |
| arneybunny | LFSR Destroyer | 250 | |
| mzishereagain | Hex | 5 | |
| sheerwood | OR Proof | 75 | |
| sheerwood | OR Proof (CryptoHack) | 0 | |
| brumbuz | Base64 | 10 | |
| mzishereagain | ASCII | 5 | |
| flickzy | Modular Binomials | 80 | |
| Asim_kk | Paper Plane | 120 | |
| brumbuz | Hex | 5 | |
| QuackQuack | Authentification 1 (Breizh CTF) | 0 | |
| mzishereagain | Great Snakes | 3 | |
| caicai34 | Finding Flags | 2 | |
| Shana1111 | Base64 | 10 | |
| brumbuz | ASCII | 5 | |
| Asim_kk | Forbidden Fruit | 150 | |
| Wofb | Modular Square Root | 35 | |
| Shana1111 | Hex | 5 | |
| brumbuz | Great Snakes | 3 | |
| Marvel146 | XOR Starter | 10 | |
| crimsonstg | Finding Flags | 2 | |
| Asim_kk | Beatboxer | 150 | |
| brumbuz | Finding Flags | 2 | |
| xtrm0 | Authentification 1 (Breizh CTF) | 0 | |
| Wienerboy | XOR Starter | 10 | |
| Shana1111 | ASCII | 5 | |
| asdasf | Bytes and Big Integers | 10 | |
| asdasf | Base64 | 10 | |
| ecko309 | XOR Properties | 15 | |
| Asim_kk | Bean Counter | 60 | |
| Asim_kk | Symmetry | 50 | |
| flickzy | Adrien's Signs | 80 | |
| Shana1111 | Great Snakes | 3 | |
| asdasf | Hex | 5 | |
| Shana1111 | Finding Flags | 2 | |
| de4dhorse | Quadratic Residues | 25 | |
| Wienerboy | Bytes and Big Integers | 10 | |
| Asim_kk | Triple DES | 60 | |
| Asim_kk | Lazy CBC | 60 | |
| asdasf | ASCII | 5 | |
| tranchsanto | Key Backup Service 1 (HKCERT CTF) | 0 | |
| Asim_kk | ECB Oracle | 60 | |
| dinhlocfa | Finding Flags | 2 | |
| HackingWalross | You either know, XOR you don't | 30 | |
| Asim_kk | Flipping Cookie | 60 | |
| Legend_18 | You either know, XOR you don't | 30 | |
| Asim_kk | ECB CBC WTF | 55 | |
| Asim_kk | Passwords as Keys | 50 | |
| Legend_18 | Favourite byte | 20 |
You are now level Current level