| Date | User | Challenge | Score |
| SrCu | Base64 | 10 | |
| Nonpro | Hex | 5 | |
| archivarius33 | ASCII | 5 | |
| archivarius33 | Great Snakes | 3 | |
| Nonpro | ASCII | 5 | |
| BuKTop | Quadratic Residues | 25 | |
| BuKTop | Modular Inverting | 25 | |
| BuKTop | Modular Arithmetic 2 | 20 | |
| Nonpro | Network Attacks | 5 | |
| BuKTop | Modular Arithmetic 1 | 20 | |
| KeenanJoshua | Symmetry | 50 | |
| BuKTop | Extended GCD | 20 | |
| BuKTop | Greatest Common Divisor | 15 | |
| Yuxiao | Modular Square Root | 35 | |
| 4Sansa | Modular Binomials | 80 | |
| SrCu | Hex | 5 | |
| BuKTop | You either know, XOR you don't | 30 | |
| 4Sansa | Adrien's Signs | 80 | |
| BuKTop | Favourite byte | 20 | |
| BuKTop | XOR Properties | 15 | |
| 4Sansa | Chinese Remainder Theorem | 40 | |
| 4Sansa | Modular Square Root | 35 | |
| 4Sansa | Legendre Symbol | 35 | |
| BuKTop | XOR Starter | 10 | |
| 4Sansa | Quadratic Residues | 25 | |
| BuKTop | Bytes and Big Integers | 10 | |
| 4Sansa | Modular Inverting | 25 | |
| 4Sansa | Modular Arithmetic 2 | 20 | |
| 4Sansa | Modular Arithmetic 1 | 20 | |
| BuKTop | Base64 | 10 | |
| 4Sansa | Extended GCD | 20 | |
| SrCu | ASCII | 5 | |
| 4Sansa | Greatest Common Divisor | 15 | |
| BuKTop | Hex | 5 | |
| KeenanJoshua | Flipping Cookie | 60 | |
| 4Sansa | You either know, XOR you don't | 30 | |
| BuKTop | ASCII | 5 | |
| SrCu | Great Snakes | 3 | |
| 4Sansa | Favourite byte | 20 | |
| 4Sansa | XOR Properties | 15 | |
| 4Sansa | XOR Starter | 10 | |
| BuKTop | Great Snakes | 3 | |
| 4Sansa | Bytes and Big Integers | 10 | |
| Nonpro | Great Snakes | 3 | |
| 4Sansa | Base64 | 10 | |
| Nonpro | Finding Flags | 2 | |
| BuKTop | Finding Flags | 2 | |
| 4Sansa | Hex | 5 | |
| 4Sansa | ASCII | 5 | |
| 4Sansa | Great Snakes | 3 |
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