| Date | User | Challenge | Score |
| HMSDread | Finding Flags | 2 | |
| shimon_rsa | The Matrix | 75 | |
| Mote | Legendre Symbol | 35 | |
| Neutr0nys | Diffusion through Permutation | 30 | |
| Neutr0nys | Confusion through Substitution | 25 | |
| Neutr0nys | Round Keys | 20 | |
| twang | Modular Arithmetic 2 | 20 | |
| hakka52 | Symmetry | 50 | |
| Neutr0nys | Structure of AES | 15 | |
| snowman_am2 | Marin's Secrets | 50 | |
| exoq | Successive Powers | 60 | |
| Neutr0nys | Resisting Bruteforce | 10 | |
| twang | Modular Arithmetic 1 | 20 | |
| Neutr0nys | Keyed Permutations | 5 | |
| useless | JWT Sessions | 10 | |
| Joellasj | Great Snakes | 3 | |
| Joellasj | Finding Flags | 2 | |
| snowman_am2 | Parameter Injection | 60 | |
| 2LWaterEverday | XOR Starter | 10 | |
| MAROUANE1818 | Quadratic Residues | 25 | |
| 2LWaterEverday | Bytes and Big Integers | 10 | |
| 2LWaterEverday | Base64 | 10 | |
| Fatmak | Finding Flags | 2 | |
| blackcavia87 | Hex | 5 | |
| OSCARM_CR26 | Hex | 5 | |
| 2LWaterEverday | Hex | 5 | |
| gumbat70 | Successive Powers | 60 | |
| MAROUANE1818 | Modular Inverting | 25 | |
| Mote | Quadratic Residues | 25 | |
| Ah_Crypto2 | Public Keys | 15 | |
| Ah_Crypto2 | Modular Exponentiation | 10 | |
| MAROUANE1818 | Modular Arithmetic 2 | 20 | |
| junyouzin4209 | The Matrix Revolutions | 125 | |
| junyouzin4209 | The Matrix Reloaded | 100 | |
| junyouzin4209 | Static Client 2 | 120 | |
| junyouzin4209 | Additive | 70 | |
| bwabwa296 | RSA Decryption | 20 | |
| HappRash | Collider | 50 | |
| avm | The Matrix | 75 | |
| HappRash | Jack's Birthday Hash | 20 | |
| HappRash | Jack's Birthday Confusion | 30 | |
| toaru | Network Attacks | 5 | |
| gumbat70 | Chinese Remainder Theorem | 40 | |
| MAROUANE1818 | Modular Arithmetic 1 | 20 | |
| MAROUANE1818 | Extended GCD | 20 | |
| sulha | JWT Secrets | 25 | |
| gumbat70 | Modular Square Root | 35 | |
| khill | Finding Flags | 2 | |
| testingworldfull | RSA Signatures | 25 | |
| VuDuong | You either know, XOR you don't | 30 |
You are now level Current level