| Date | User | Challenge | Score | 
| hdallain | You either know, XOR you don't | 30 | |
| fzfahim19 | Chinese Remainder Theorem | 40 | |
| Didioil | Finding Flags | 2 | |
| fzfahim19 | Modular Square Root | 35 | |
| hdallain | Favourite byte | 20 | |
| monassar | Great Snakes | 3 | |
| nordgaren | You either know, XOR you don't | 30 | |
| hdallain | XOR Properties | 15 | |
| 20coconut_decem | Resisting Bruteforce | 10 | |
| Arney1 | Gaussian Reduction | 50 | |
| nordgaren | Favourite byte | 20 | |
| nordgaren | XOR Properties | 15 | |
| hdallain | XOR Starter | 10 | |
| mireroot | Elliptic Nodes | 150 | |
| nordgaren | XOR Starter | 10 | |
| nordgaren | Bytes and Big Integers | 10 | |
| 20coconut_decem | Keyed Permutations | 5 | |
| nordgaren | Base64 | 10 | |
| nordgaren | Hex | 5 | |
| nordgaren | ASCII | 5 | |
| AdamAndIamh | Base64 | 10 | |
| nordgaren | Great Snakes | 3 | |
| nordgaren | Finding Flags | 2 | |
| fzfahim19 | Legendre Symbol | 35 | |
| Polynomial | Modular Exponentiation | 10 | |
| monassar | Finding Flags | 2 | |
| AdamAndIamh | Hex | 5 | |
| AdamAndIamh | ASCII | 5 | |
| new_jakerhee123 | Too Honest | 50 | |
| new_jakerhee123 | Non-Interactive | 35 | |
| Botakciter3 | XOR Properties | 15 | |
| new_jakerhee123 | Honest Verifier Zero Knowledge | 30 | |
| gvillalba | Confusion through Substitution | 25 | |
| ksaifiti | Modular Inverting | 25 | |
| Natnaile48 | Great Snakes | 3 | |
| EpifAlex | Hex | 5 | |
| Natnaile48 | Finding Flags | 2 | |
| eliyas | Hex | 5 | |
| XierK15 | ASCII | 5 | |
| jalv | ASCII | 5 | |
| Arney1 | What's a Lattice? | 40 | |
| trainerman | ASCII | 5 | |
| ezorith | ASCII | 5 | |
| Caiyro | ASCII | 5 | |
| eliyas | ASCII | 5 | |
| vamanster | Base64 | 10 | |
| XierK15 | Great Snakes | 3 | |
| Lawton | Hex | 5 | |
| jalv | Great Snakes | 3 | |
| vamanster | Hex | 5 | 
          You are now level Current level