| Date | User | Challenge | Score |
| Smoggy | Legendre Symbol | 35 | |
| Kende6ekovv | Bringing It All Together | 50 | |
| Kende6ekovv | Diffusion through Permutation | 30 | |
| Kende6ekovv | Confusion through Substitution | 25 | |
| Kende6ekovv | Round Keys | 20 | |
| agomezmarti | Token Appreciation | 5 | |
| Adam01178650 | Lemur XOR | 40 | |
| ovall | ECB CBC WTF | 55 | |
| Kende6ekovv | Structure of AES | 15 | |
| Halexeli | Adrien's Signs | 80 | |
| MapleTree_ | Base64 | 10 | |
| Kende6ekovv | Resisting Bruteforce | 10 | |
| Kende6ekovv | Keyed Permutations | 5 | |
| Kende6ekovv | Modular Binomials | 80 | |
| MapleTree_ | Hex | 5 | |
| Kende6ekovv | Adrien's Signs | 80 | |
| lucscacique | Finding Flags | 2 | |
| Kende6ekovv | Chinese Remainder Theorem | 40 | |
| miguelemos | PriMeD5 | 100 | |
| Kende6ekovv | Modular Square Root | 35 | |
| miguelemos | Hash Stuffing | 50 | |
| Kende6ekovv | Legendre Symbol | 35 | |
| Adam01178650 | You either know, XOR you don't | 30 | |
| MapleTree_ | ASCII | 5 | |
| Kende6ekovv | Quadratic Residues | 25 | |
| thisismetrying | Successive Powers | 60 | |
| Kende6ekovv | Modular Inverting | 25 | |
| Kende6ekovv | Modular Arithmetic 2 | 20 | |
| Kende6ekovv | Modular Arithmetic 1 | 20 | |
| Kende6ekovv | Extended GCD | 20 | |
| Kende6ekovv | Greatest Common Divisor | 15 | |
| MapleTree_ | Great Snakes | 3 | |
| miguelemos | Collider | 50 | |
| Priesthood | You either know, XOR you don't | 30 | |
| BillGerald | Diffusion through Permutation | 30 | |
| Kende6ekovv | You either know, XOR you don't | 30 | |
| Myli | Adrien's Signs | 80 | |
| Kende6ekovv | Favourite byte | 20 | |
| MapleTree_ | Finding Flags | 2 | |
| Kende6ekovv | XOR Properties | 15 | |
| Kende6ekovv | XOR Starter | 10 | |
| Kende6ekovv | Bytes and Big Integers | 10 | |
| Kende6ekovv | Base64 | 10 | |
| Kende6ekovv | Hex | 5 | |
| Kende6ekovv | ASCII | 5 | |
| Kende6ekovv | Great Snakes | 3 | |
| kapok_15 | You either know, XOR you don't | 30 | |
| NoBirdWasHam | Chaos (Zh3r0 CTF V2) | 0 | |
| Kende6ekovv | Finding Flags | 2 | |
| shylynn | A True Genus | 175 |
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