| Date | User | Challenge | Score |
| andrehda | Oh SNAP | 120 | |
| ch4ese | Base64 | 10 | |
| Mathinfernal | Extended GCD | 20 | |
| eryk1343 | Additive | 70 | |
| ale3andre | XOR Starter | 10 | |
| sneakybug | Legendre Symbol | 35 | |
| ch4ese | Hex | 5 | |
| perry_platypus | Bean Counter | 60 | |
| mrgeek | XOR Properties | 15 | |
| Brinks99 | Modular Square Root | 35 | |
| SharplyT | Favourite byte | 20 | |
| akniet | Favourite byte | 20 | |
| ch4ese | ASCII | 5 | |
| ra_mn | You either know, XOR you don't | 30 | |
| mark14 | Chinese Remainder Theorem | 40 | |
| ch4ese | Great Snakes | 3 | |
| Voron | You either know, XOR you don't | 30 | |
| kien | XOR Starter | 10 | |
| ch4ese | Finding Flags | 2 | |
| Tsoon | Hex | 5 | |
| Mathinfernal | Greatest Common Divisor | 15 | |
| 1502dth | Modulus Inutilis | 50 | |
| perry_platypus | Symmetry | 50 | |
| sfo | Diffusion through Permutation | 30 | |
| 0xGh4zy | Extended GCD | 20 | |
| akniet | XOR Properties | 15 | |
| akniet | XOR Starter | 10 | |
| hwan | Gaussian Reduction | 50 | |
| 1502dth | Salty | 20 | |
| andrehda | Export-grade | 100 | |
| sneakybug | Quadratic Residues | 25 | |
| sandbx01 | Finding Flags | 2 | |
| namdang | Curves and Logs | 40 | |
| emmikat | Legendre Symbol | 35 | |
| 1502dth | Manyprime | 40 | |
| Helyosis | DLOG on the Surface | 40 | |
| sneakybug | Modular Inverting | 25 | |
| nurminen | The Good, The Pad, The Ugly | 100 | |
| sneakybug | Modular Arithmetic 2 | 20 | |
| assakaf | Vectors | 10 | |
| sneakybug | Modular Arithmetic 1 | 20 | |
| nurminen | Pad Thai | 80 | |
| sneakybug | Extended GCD | 20 | |
| 1502dth | Monoprime | 30 | |
| Mathinfernal | Lemur XOR | 40 | |
| Helyosis | Montgomery Curves | 30 | |
| Outls | XOR Starter | 10 | |
| Brinks99 | Legendre Symbol | 35 | |
| 1502dth | Factoring | 15 | |
| jkll52 | Base64 | 10 |
You are now level Current level