| Date | User | Challenge | Score |
| typical | ASCII | 5 | |
| sa0ry | ASCII | 5 | |
| crea10r | Favourite byte | 20 | |
| typical | Great Snakes | 3 | |
| typical | Finding Flags | 2 | |
| JellyGames | CERTainly not | 30 | |
| tranduclam06 | Lemur XOR | 40 | |
| berker | XOR Properties | 15 | |
| sa0ry | Great Snakes | 3 | |
| yopisav84 | Finding Flags | 2 | |
| sa0ry | Finding Flags | 2 | |
| JellyGames | Privacy-Enhanced Mail? | 25 | |
| gwpro | Double and Broken | 50 | |
| crea10r | XOR Properties | 15 | |
| TayLemounes | Great Snakes | 3 | |
| TayLemounes | Finding Flags | 2 | |
| berker | XOR Starter | 10 | |
| Ba1sars | Bytes and Big Integers | 10 | |
| trcmaster | Chinese Remainder Theorem | 40 | |
| Ba1sars | Base64 | 10 | |
| trcmaster | Modular Square Root | 35 | |
| kenjiked | Gaussian Reduction | 50 | |
| Ba1sars | Hex | 5 | |
| qvymm | Find the Lattice | 100 | |
| kenjiked | What's a Lattice? | 40 | |
| crea10r | XOR Starter | 10 | |
| SUPERSUNN | Bean Counter | 60 | |
| ogura_pi | XOR Starter | 10 | |
| tomaspetras | ProSign 3 | 100 | |
| trcmaster | Legendre Symbol | 35 | |
| Bylar | XOR Properties | 15 | |
| ogura_pi | Bytes and Big Integers | 10 | |
| Bohrier | Great Snakes | 3 | |
| kenjiked | Gram Schmidt | 30 | |
| crea10r | Bytes and Big Integers | 10 | |
| lydxn | Leet Universe (ImaginaryCTF (Daily)) | 0 | |
| crea10r | Base64 | 10 | |
| crea10r | Hex | 5 | |
| crea10r | ASCII | 5 | |
| aresinheaven | Hamiltonicity 1 | 100 | |
| ctfyf5ih5ld | Bruce Schneier's Password | 100 | |
| lydxn | RSA Permutation (WACON) | 0 | |
| crea10r | Great Snakes | 3 | |
| aresinheaven | OR Proof | 75 | |
| 0x3af72 | Modes of Operation Starter | 15 | |
| aresinheaven | OR Proof (CryptoHack) | 0 | |
| crea10r | Finding Flags | 2 | |
| interrupt | Adrien's Signs | 80 | |
| 0x3af72 | Confusion through Substitution | 25 | |
| whoami4 | Modular Arithmetic 1 | 20 |
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