| Date | User | Challenge | Score |
| g4dZ0r | Modular Inverting | 25 | |
| repsej_h | XOR Properties | 15 | |
| Askadu | Greatest Common Divisor | 15 | |
| drq5 | Network Attacks | 5 | |
| archex | Adrien's Signs | 80 | |
| chelinh | Great Snakes | 3 | |
| Askadu | You either know, XOR you don't | 30 | |
| Kaela | Efficient Exchange | 50 | |
| g4dZ0r | Modular Arithmetic 2 | 20 | |
| DeDiamondPro | Greatest Common Divisor | 15 | |
| chelinh | Finding Flags | 2 | |
| drq5 | XOR Starter | 10 | |
| abel_mc | Greatest Common Divisor | 15 | |
| Crypticlr | Finding Flags | 2 | |
| DeDiamondPro | Base64 | 10 | |
| aravhacks | Hex | 5 | |
| DeDiamondPro | Hex | 5 | |
| repsej_h | XOR Starter | 10 | |
| ForJ | Modular Square Root | 35 | |
| DeDiamondPro | ASCII | 5 | |
| DeDiamondPro | Great Snakes | 3 | |
| DeDiamondPro | Finding Flags | 2 | |
| repsej_h | Bytes and Big Integers | 10 | |
| drq5 | Bytes and Big Integers | 10 | |
| repsej_h | Base64 | 10 | |
| kflippy | Modular Arithmetic 2 | 20 | |
| drq5 | Base64 | 10 | |
| oneor | Keyed Permutations | 5 | |
| drq5 | Hex | 5 | |
| repsej_h | Hex | 5 | |
| drq5 | ASCII | 5 | |
| repsej_h | ASCII | 5 | |
| drq5 | Great Snakes | 3 | |
| repsej_h | Great Snakes | 3 | |
| drq5 | Finding Flags | 2 | |
| Damienctrt | Base64 | 10 | |
| repsej_h | Finding Flags | 2 | |
| Damienctrt | Hex | 5 | |
| kflippy | Modular Arithmetic 1 | 20 | |
| mandrukita | Great Snakes | 3 | |
| 19030623652 | Manyprime | 40 | |
| solidus | Digestive | 60 | |
| eeve5 | Bytes and Big Integers | 10 | |
| Damienctrt | ASCII | 5 | |
| jakubrudziewicz | Great Snakes | 3 | |
| Damienctrt | Great Snakes | 3 | |
| jakubrudziewicz | Finding Flags | 2 | |
| Damienctrt | Finding Flags | 2 | |
| kflippy | Extended GCD | 20 | |
| bmarcarrera | Legendre Symbol | 35 |
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