| Date | User | Challenge | Score |
| Astorice | Modular Binomials | 80 | |
| ap695637 | Greatest Common Divisor | 15 | |
| MateuszMotrenko | XOR Starter | 10 | |
| ap695637 | You either know, XOR you don't | 30 | |
| lchomin | Scalar Multiplication | 35 | |
| Sumi_w | ASCII | 5 | |
| wf2895924197 | Base64 | 10 | |
| ap695637 | Favourite byte | 20 | |
| Yasharth | Finding Flags | 2 | |
| ap695637 | XOR Properties | 15 | |
| sabamiso | Base64 | 10 | |
| DRACULA_223990 | Confusion through Substitution | 25 | |
| s3v3n | Manyprime | 40 | |
| 9820818721a | XOR Properties | 15 | |
| DRACULA_223990 | Round Keys | 20 | |
| lchomin | Point Addition | 30 | |
| DRACULA_223990 | Structure of AES | 15 | |
| PJ_118 | ASCII | 5 | |
| DRACULA_223990 | Resisting Bruteforce | 10 | |
| DRACULA_223990 | Keyed Permutations | 5 | |
| Shreyas46 | Hex | 5 | |
| ap695637 | XOR Starter | 10 | |
| Zuzix | Successive Powers | 60 | |
| ap695637 | Bytes and Big Integers | 10 | |
| Shreyas46 | ASCII | 5 | |
| DRACULA_223990 | Modular Binomials | 80 | |
| ap695637 | Base64 | 10 | |
| sabamiso | Hex | 5 | |
| ap695637 | Hex | 5 | |
| PJ_118 | Great Snakes | 3 | |
| ap695637 | ASCII | 5 | |
| ap695637 | Great Snakes | 3 | |
| ap695637 | Finding Flags | 2 | |
| PJ_118 | Finding Flags | 2 | |
| Shreyas46 | Great Snakes | 3 | |
| DRACULA_223990 | Adrien's Signs | 80 | |
| ayde | Bytes and Big Integers | 10 | |
| DRACULA_223990 | Chinese Remainder Theorem | 40 | |
| 9820818721a | XOR Starter | 10 | |
| DRACULA_223990 | Modular Square Root | 35 | |
| sabamiso | ASCII | 5 | |
| ayde | Base64 | 10 | |
| 9820818721a | Bytes and Big Integers | 10 | |
| DRACULA_223990 | Legendre Symbol | 35 | |
| R0bbi3G | Base64 | 10 | |
| MateuszMotrenko | Bytes and Big Integers | 10 | |
| DRACULA_223990 | Quadratic Residues | 25 | |
| Shreyas46 | Finding Flags | 2 | |
| ayde | Hex | 5 | |
| s3v3n | Square Eyes | 35 |
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