| Date | User | Challenge | Score |
| jell | Monoprime | 30 | |
| jell | Square Eyes | 35 | |
| enzoandra2001 | Finding Flags | 2 | |
| fentaohe | Bringing It All Together | 50 | |
| jell | Inferius Prime | 30 | |
| jell | Cofactor Cofantasy | 150 | |
| jell | Factoring | 15 | |
| jell | RSA Signatures | 25 | |
| donkey_kong | Euler's Totient | 20 | |
| CayCon | Megalomaniac 3 | 120 | |
| Byrondoney | Finding Flags | 2 | |
| krienoc | Jack's Birthday Hash | 20 | |
| CayCon | Megalomaniac 2 | 120 | |
| Brian_McGee | Bringing It All Together | 50 | |
| jell | Private Keys | 20 | |
| jell | RSA Decryption | 20 | |
| jell | Euler's Totient | 20 | |
| jell | Public Keys | 15 | |
| jell | Real Eisenstein | 150 | |
| jell | Modular Exponentiation | 10 | |
| bestth03 | Favourite byte | 20 | |
| Hexerei | Adrien's Signs | 80 | |
| krienoc | Bespoke Padding | 100 | |
| nous | LWE Low Bits Message | 20 | |
| bestth03 | XOR Properties | 15 | |
| jell | Prime and Prejudice | 200 | |
| nous | LWE Intro | 10 | |
| asanonepunch | RSA Decryption | 20 | |
| fentaohe | Diffusion through Permutation | 30 | |
| nous | LWE High Bits Message | 15 | |
| nous | LWE Background | 5 | |
| o1101ol | Modulus Inutilis | 50 | |
| bestth03 | XOR Starter | 10 | |
| bestth03 | Bytes and Big Integers | 10 | |
| jell | Forbidden Fruit | 150 | |
| noodle | Base64 | 10 | |
| sofia_cck | Hex | 5 | |
| bestth03 | Base64 | 10 | |
| bestth03 | Hex | 5 | |
| sofia_cck | ASCII | 5 | |
| bestth03 | ASCII | 5 | |
| bestth03 | Great Snakes | 3 | |
| bestth03 | Finding Flags | 2 | |
| jell | Beatboxer | 150 | |
| sofia_cck | Great Snakes | 3 | |
| Oktariana | XOR Starter | 10 | |
| sofia_cck | Finding Flags | 2 | |
| Hacky_546 | ASCII | 5 | |
| jell | Paper Plane | 120 | |
| nous | L-Win | 120 |
You are now level Current level