| Date | User | Challenge | Score |
| cgibbons | Modular Inverting | 25 | |
| jakublaz | Curveball | 100 | |
| LABORATOR | Keyed Permutations | 5 | |
| Sajida | Great Snakes | 3 | |
| skharitonov | ASCII | 5 | |
| AdnanAsif | Hex | 5 | |
| cshark | XOR Properties | 15 | |
| mallard | Manyprime | 40 | |
| AdnanAsif | ASCII | 5 | |
| skharitonov | Great Snakes | 3 | |
| sianum | XOR Properties | 15 | |
| skharitonov | Finding Flags | 2 | |
| emankamran | Moving Problems | 150 | |
| samucip | Great Snakes | 3 | |
| emankamran | Oh SNAP | 120 | |
| emankamran | Export-grade | 100 | |
| HerVin | Finding Flags | 2 | |
| AdnanAsif | Great Snakes | 3 | |
| Carpals | Resisting Bruteforce | 10 | |
| antoine_froger_ | Finding Flags | 2 | |
| Sajida | Finding Flags | 2 | |
| Haydara | Bytes and Big Integers | 10 | |
| Alina1108 | Base64 | 10 | |
| Carpals | Keyed Permutations | 5 | |
| Rvsh0x | Extended GCD | 20 | |
| sianum | XOR Starter | 10 | |
| AdnanAsif | Finding Flags | 2 | |
| samucip | Finding Flags | 2 | |
| Haydara | Base64 | 10 | |
| Alina1108 | Hex | 5 | |
| Haydara | Hex | 5 | |
| maksushka | Broken RSA | 100 | |
| jakublaz | Paper Plane | 120 | |
| Elineeman | Adrien's Signs | 80 | |
| jakublaz | Null or Never | 100 | |
| jakublaz | Endless Emails | 150 | |
| Alina1108 | ASCII | 5 | |
| Rvsh0x | Greatest Common Divisor | 15 | |
| pallas | Legendre Symbol | 35 | |
| tank1st | XOR Starter | 10 | |
| lammer1337 | Favourite byte | 20 | |
| Stabgoblin | Base64 | 10 | |
| TreeSquirrles | Bytes and Big Integers | 10 | |
| emankamran | Endless Emails | 150 | |
| emankamran | Paper Plane | 120 | |
| TreeSquirrles | Base64 | 10 | |
| Alina1108 | Great Snakes | 3 | |
| emankamran | Null or Never | 100 | |
| jakublaz | Moving Problems | 150 | |
| Denleykl | Bean Counter | 60 |
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