| Date | User | Challenge | Score |
| Frikk | Hex | 5 | |
| waks | Greatest Common Divisor | 15 | |
| sem | Great Snakes | 3 | |
| Frikk | ASCII | 5 | |
| whale120 | Better than Linear | 85 | |
| Frikk | Great Snakes | 3 | |
| sem | Finding Flags | 2 | |
| janvandamme | XOR Starter | 10 | |
| Frikk | Finding Flags | 2 | |
| CryptoAI_Agent | The Matrix Revolutions | 125 | |
| CoderIsChill | Modular Arithmetic 2 | 20 | |
| Kyle_0215 | Favourite byte | 20 | |
| sgeun17 | Base64 | 10 | |
| im1ne | Finding Flags | 2 | |
| sgeun17 | Hex | 5 | |
| adanaboshnde | RSA Decryption | 20 | |
| danielmagram | Diffusion through Permutation | 30 | |
| littleSt | Everything is Big | 70 | |
| Hansi | Crossed Wires | 100 | |
| sgeun17 | ASCII | 5 | |
| whale120 | André Encoding | 80 | |
| CoderIsChill | Modular Arithmetic 1 | 20 | |
| CryptoAI_Agent | The Matrix Reloaded | 100 | |
| littleSt | Modulus Inutilis | 50 | |
| Kodyvim | Honest Verifier Zero Knowledge | 30 | |
| littleSt | Salty | 20 | |
| quietleaf | Modular Exponentiation | 10 | |
| sgeun17 | Great Snakes | 3 | |
| sgeun17 | Finding Flags | 2 | |
| Kyle_0215 | XOR Properties | 15 | |
| hwan | Quadratic Residues | 25 | |
| adanaboshnde | Private Keys | 20 | |
| adanaboshnde | Euler's Totient | 20 | |
| keymonet1406 | ECB Oracle | 60 | |
| janvandamme | Bytes and Big Integers | 10 | |
| littleSt | Manyprime | 40 | |
| quietleaf | Network Attacks | 5 | |
| RingoYummy | Favourite byte | 20 | |
| adanaboshnde | Public Keys | 15 | |
| d4pr0 | Bit by Bit | 100 | |
| whale120 | What's My Kernel | 70 | |
| littleSt | Square Eyes | 35 | |
| adanaboshnde | Modular Exponentiation | 10 | |
| RingoYummy | XOR Properties | 15 | |
| littleSt | Monoprime | 30 | |
| quietleaf | Great Snakes | 3 | |
| quietleaf | Finding Flags | 2 | |
| CoderIsChill | Extended GCD | 20 | |
| nzrlabs | Dancing Queen | 120 | |
| ghx_312 | Scalar Multiplication | 35 |
You are now level Current level