| Date | User | Challenge | Score |
| ChiefoftheFrak | XOR Properties | 15 | |
| rootBG | Export-grade | 100 | |
| ChiefoftheFrak | XOR Starter | 10 | |
| steeeve | Resisting Bruteforce | 10 | |
| steeeve | Keyed Permutations | 5 | |
| steeeve | Legendre Symbol | 35 | |
| steeeve | Modular Square Root | 35 | |
| archex | Greatest Common Divisor | 15 | |
| ChiefoftheFrak | Bytes and Big Integers | 10 | |
| steeeve | Adrien's Signs | 80 | |
| Bigfoot1924 | Base64 | 10 | |
| ChiefoftheFrak | Base64 | 10 | |
| ChiefoftheFrak | Hex | 5 | |
| Kae | Beatboxer | 150 | |
| Bigfoot1924 | Hex | 5 | |
| Kae | Forbidden Fruit | 150 | |
| Bigfoot1924 | ASCII | 5 | |
| Bigfoot1924 | Great Snakes | 3 | |
| Bigfoot1924 | Finding Flags | 2 | |
| Kae | Paper Plane | 120 | |
| saro | Fischlin Transform | 180 | |
| Muscui | Hex | 5 | |
| Muscui | ASCII | 5 | |
| solidus | Moving Problems | 150 | |
| vim_diesel | Legendre Symbol | 35 | |
| Muscui | Great Snakes | 3 | |
| takisgr | Great Snakes | 3 | |
| dec256 | Adrien's Signs | 80 | |
| 2x2y2 | Micro Transmissions | 120 | |
| Muscui | Finding Flags | 2 | |
| 0xAbofiras | Hex | 5 | |
| Jimmyn | Keyed Permutations | 5 | |
| ferrat | Oracular Spectacular | 150 | |
| Kawk | Lemur XOR | 40 | |
| 0xAbofiras | ASCII | 5 | |
| 0xAbofiras | Great Snakes | 3 | |
| sertmuhendis | Greatest Common Divisor | 15 | |
| lucy54 | Invariant | 250 | |
| Matildaa | Finding Flags | 2 | |
| sertmuhendis | You either know, XOR you don't | 30 | |
| 0xAbofiras | Finding Flags | 2 | |
| Kawk | You either know, XOR you don't | 30 | |
| dec256 | Chinese Remainder Theorem | 40 | |
| sertmuhendis | Favourite byte | 20 | |
| Kawk | Favourite byte | 20 | |
| againlame | Montgomery's Ladder | 40 | |
| againlame | Efficient Exchange | 50 | |
| againlame | Curves and Logs | 40 | |
| againlame | Scalar Multiplication | 35 | |
| papamitaa | Flipping Cookie | 60 |
You are now level Current level