| Date | User | Challenge | Score |
| sanya338 | Adrien's Signs | 80 | |
| bestth003 | Favourite byte | 20 | |
| bestth003 | XOR Properties | 15 | |
| jason11160 | ASCII | 5 | |
| Nazriel | You either know, XOR you don't | 30 | |
| D3L3T3 | Great Snakes | 3 | |
| jason11160 | Great Snakes | 3 | |
| Ledebutant | XOR Properties | 15 | |
| DraakaaDwixa | You either know, XOR you don't | 30 | |
| bestth003 | XOR Starter | 10 | |
| DraakaaDwixa | Favourite byte | 20 | |
| CYDF1121 | Modular Square Root | 35 | |
| jason11160 | Finding Flags | 2 | |
| bestth003 | Bytes and Big Integers | 10 | |
| Nazriel | Favourite byte | 20 | |
| bestth003 | Base64 | 10 | |
| bestth003 | Hex | 5 | |
| frostzz | Modes of Operation Starter | 15 | |
| wwz | The Matrix Reloaded | 100 | |
| JuliannSS | Modes of Operation Starter | 15 | |
| bestth003 | ASCII | 5 | |
| DaBot | Everything is Big | 70 | |
| noobboymk | RSA Signatures | 25 | |
| frostzz | Bringing It All Together | 50 | |
| bestth003 | Great Snakes | 3 | |
| JuliannSS | Bringing It All Together | 50 | |
| bestth003 | Finding Flags | 2 | |
| frostzz | Diffusion through Permutation | 30 | |
| Ledebutant | XOR Starter | 10 | |
| xseris | Unencryptable | 125 | |
| frostzz | Confusion through Substitution | 25 | |
| JuliannSS | Diffusion through Permutation | 30 | |
| JuliannSS | Confusion through Substitution | 25 | |
| CryptoCrusader | Modular Inverting | 25 | |
| wwz | Static Client | 100 | |
| noobboymk | Bean Counter | 60 | |
| prachurja | Base64 | 10 | |
| itaidey | Parameter Injection | 60 | |
| DaBot | Square Eyes | 35 | |
| zkPhantom | An Exceptional Twisted Mind | 125 | |
| sanya338 | Chinese Remainder Theorem | 40 | |
| zkPhantom | Checkpoint | 150 | |
| zkPhantom | A Twisted Mind | 80 | |
| DaBot | Inferius Prime | 30 | |
| quantum_leaper82 | Finding Flags | 2 | |
| MrPurple | Quadratic Residues | 25 | |
| xseris | Roll your Own | 125 | |
| traktor | Everything is Big | 70 | |
| Lord_Ping | Adrien's Signs | 80 | |
| Ledebutant | Bytes and Big Integers | 10 |
You are now level Current level