| Date | User | Challenge | Score |
| Rook | Extended GCD | 20 | |
| WarSpore | The Good, The Pad, The Ugly | 100 | |
| Asklo | Extended GCD | 20 | |
| muhtasim_apon | Base64 | 10 | |
| 0xHazem | Great Snakes | 3 | |
| 0xHazem | Finding Flags | 2 | |
| tymbaca | Modular Square Root | 35 | |
| muhtasim_apon | Hex | 5 | |
| fken_57 | Legendre Symbol | 35 | |
| obahya | Scalar Multiplication | 35 | |
| Oliver_isanolive | Favourite byte | 20 | |
| Asklo | Greatest Common Divisor | 15 | |
| muhtasim_apon | ASCII | 5 | |
| sivi0115 | You either know, XOR you don't | 30 | |
| jopayoki | Greatest Common Divisor | 15 | |
| Asklo | You either know, XOR you don't | 30 | |
| Rook | Greatest Common Divisor | 15 | |
| yousseftr03 | Network Attacks | 5 | |
| fken_57 | Quadratic Residues | 25 | |
| muhtasim_apon | Great Snakes | 3 | |
| AESpider | MD0 | 80 | |
| fken_57 | Modular Inverting | 25 | |
| WarSpore | Pad Thai | 80 | |
| fken_57 | Modular Arithmetic 2 | 20 | |
| fken_57 | Modular Arithmetic 1 | 20 | |
| sivi0115 | Favourite byte | 20 | |
| fken_57 | Extended GCD | 20 | |
| yousseftr03 | Great Snakes | 3 | |
| Oliver_isanolive | XOR Properties | 15 | |
| muhtasim_apon | Finding Flags | 2 | |
| fken_57 | Greatest Common Divisor | 15 | |
| tymbaca | Legendre Symbol | 35 | |
| BonziSki | Flipping Cookie | 60 | |
| fken_57 | You either know, XOR you don't | 30 | |
| _achouak | What's a Lattice? | 40 | |
| Mr3l1k | Bytes and Big Integers | 10 | |
| sivi0115 | XOR Properties | 15 | |
| jhh0406 | PriMeD5 | 100 | |
| Mr3l1k | Base64 | 10 | |
| Asklo | Favourite byte | 20 | |
| sivi0115 | XOR Starter | 10 | |
| nullex | Adrien's Signs | 80 | |
| QRms | Modular Inverting | 25 | |
| sivi0115 | Bytes and Big Integers | 10 | |
| Rook | You either know, XOR you don't | 30 | |
| Rook | Favourite byte | 20 | |
| fken_57 | Favourite byte | 20 | |
| CosminB24 | Extended GCD | 20 | |
| QRms | Modular Arithmetic 2 | 20 | |
| AruRajaIblis | Legendre Symbol | 35 |
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