| Date | User | Challenge | Score |
| Yatogami | Favourite byte | 20 | |
| Mogalo | Chinese Remainder Theorem | 40 | |
| Mogalo | Modular Square Root | 35 | |
| Mogalo | Legendre Symbol | 35 | |
| Mogalo | Quadratic Residues | 25 | |
| Mogalo | Modular Inverting | 25 | |
| Mogalo | Modular Arithmetic 2 | 20 | |
| vermithor | Base64 | 10 | |
| Mogalo | Modular Arithmetic 1 | 20 | |
| Mogalo | Extended GCD | 20 | |
| Mogalo | Greatest Common Divisor | 15 | |
| kzbozo | Bytes and Big Integers | 10 | |
| Mogalo | You either know, XOR you don't | 30 | |
| Mogalo | Favourite byte | 20 | |
| Mogalo | XOR Properties | 15 | |
| kzbozo | Base64 | 10 | |
| vermithor | Hex | 5 | |
| nullbyte0x00 | Hex | 5 | |
| Nyla | You either know, XOR you don't | 30 | |
| UrLastWish | Point Addition | 30 | |
| Nyla | Favourite byte | 20 | |
| Mogalo | XOR Starter | 10 | |
| Nyla | XOR Properties | 15 | |
| Mogalo | Bytes and Big Integers | 10 | |
| Mogalo | Base64 | 10 | |
| Mogalo | Hex | 5 | |
| nullbyte0x00 | ASCII | 5 | |
| Mogalo | ASCII | 5 | |
| lelemona | Greatest Common Divisor | 15 | |
| Nyla | XOR Starter | 10 | |
| Nyla | Bytes and Big Integers | 10 | |
| BelalAbdelaziz | Finding Flags | 2 | |
| FiddlePorkEarwig | Favourite byte | 20 | |
| Tranbmdlong | Lemur XOR | 40 | |
| nullbyte0x00 | Great Snakes | 3 | |
| Nyla | Base64 | 10 | |
| nullbyte0x00 | Finding Flags | 2 | |
| Cabemanis | Finding Flags | 2 | |
| FiddlePorkEarwig | XOR Properties | 15 | |
| Yatogami | XOR Properties | 15 | |
| zchzzz | Base64 | 10 | |
| Abdulrahman20 | Forbidden Fruit | 150 | |
| Nyla | Hex | 5 | |
| Abdulrahman20 | Paper Plane | 120 | |
| M1d0r1ma | XOR Starter | 10 | |
| Nyla | ASCII | 5 | |
| Tranbmdlong | Modular Arithmetic 2 | 20 | |
| Nyla | Great Snakes | 3 | |
| MichaelMbugua | Legendre Symbol | 35 | |
| Nyla | Finding Flags | 2 |
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