| Date | User | Challenge | Score |
| tc43 | Greatest Common Divisor | 15 | |
| Neutr0nys | Legendre Symbol | 35 | |
| MAROUANE1818 | ASCII | 5 | |
| yunseo | Background Reading | 5 | |
| dayanger765 | Round Keys | 20 | |
| MAROUANE1818 | Great Snakes | 3 | |
| dskc | Modular Inverting | 25 | |
| Rastin | ASCII | 5 | |
| gene_rice_user | Script Kiddie | 70 | |
| MAROUANE1818 | Finding Flags | 2 | |
| D4em0n | Favourite byte | 20 | |
| gene_rice_user | Static Client 2 | 120 | |
| sheina906 | Marin's Secrets | 50 | |
| useless | Token Appreciation | 5 | |
| Mote | Hex | 5 | |
| sheina906 | Infinite Descent | 50 | |
| gene_rice_user | Additive | 70 | |
| Neutr0nys | Quadratic Residues | 25 | |
| dayanger765 | Structure of AES | 15 | |
| Mofw259 | No Way Back Home | 100 | |
| minshay | Sharks on the Wire | 10 | |
| sulha | SSH Keys | 35 | |
| gene_rice_user | Static Client | 100 | |
| D4em0n | XOR Properties | 15 | |
| Neutr0nys | Modular Inverting | 25 | |
| Neutr0nys | Modular Arithmetic 2 | 20 | |
| Usogui | Great Snakes | 3 | |
| Neutr0nys | Modular Arithmetic 1 | 20 | |
| hakka52 | Diffusion through Permutation | 30 | |
| Neutr0nys | Extended GCD | 20 | |
| Rastin | Great Snakes | 3 | |
| Neutr0nys | Greatest Common Divisor | 15 | |
| Rastin | Finding Flags | 2 | |
| Neutr0nys | You either know, XOR you don't | 30 | |
| m4n059 | Logon Zero | 80 | |
| hakka52 | Confusion through Substitution | 25 | |
| allowu | Favourite byte | 20 | |
| Neutr0nys | Favourite byte | 20 | |
| minshay | Secure Protocols | 5 | |
| Neutr0nys | XOR Properties | 15 | |
| Hackjock | Finding Flags | 2 | |
| hakka52 | Round Keys | 20 | |
| Neutr0nys | XOR Starter | 10 | |
| Neutr0nys | Bytes and Big Integers | 10 | |
| Neutr0nys | Base64 | 10 | |
| Neutr0nys | Hex | 5 | |
| Neutr0nys | ASCII | 5 | |
| Neutr0nys | Great Snakes | 3 | |
| Neutr0nys | Finding Flags | 2 | |
| HamsterLegends | Extended GCD | 20 |
You are now level Current level