| Date | User | Challenge | Score |
| zxcShadee | Finding Flags | 2 | |
| hngtr969 | CERTainly not | 30 | |
| altz21 | Finding Flags | 2 | |
| motgyl | You either know, XOR you don't | 30 | |
| motgyl | Favourite byte | 20 | |
| motgyl | XOR Properties | 15 | |
| namaorantauga | Diffusion through Permutation | 30 | |
| striwer | Bytes and Big Integers | 10 | |
| etcetera | XOR Starter | 10 | |
| moi_c_sam | Broken RSA | 100 | |
| hngtr969 | Privacy-Enhanced Mail? | 25 | |
| striwer | Base64 | 10 | |
| striwer | Hex | 5 | |
| sdigs | Token Appreciation | 5 | |
| motgyl | XOR Starter | 10 | |
| hngtr969 | Modular Inverting | 25 | |
| hngtr969 | Modular Arithmetic 2 | 20 | |
| gprendi | Resisting Bruteforce | 10 | |
| Sv1l | XOR Properties | 15 | |
| gprendi | Keyed Permutations | 5 | |
| hngtr969 | Lemur XOR | 40 | |
| motgyl | Bytes and Big Integers | 10 | |
| mariotronix | Export-grade | 100 | |
| striwer | ASCII | 5 | |
| motgyl | Base64 | 10 | |
| Dessert | Crossed Wires | 100 | |
| motgyl | ASCII | 5 | |
| motgyl | Hex | 5 | |
| motgyl | Network Attacks | 5 | |
| etcetera | Encoding Challenge | 40 | |
| motgyl | Great Snakes | 3 | |
| youssef_reda | JSON in JSON | 40 | |
| motgyl | Finding Flags | 2 | |
| susanto | Resisting Bruteforce | 10 | |
| Sahat | ECB Oracle | 60 | |
| LJMT | Hex | 5 | |
| susanto | Keyed Permutations | 5 | |
| Manorom | Base64 | 10 | |
| Manorom | Hex | 5 | |
| Manorom | ASCII | 5 | |
| cryptoload | Stream of Consciousness | 80 | |
| Hattmakare | Deriving Symmetric Keys | 40 | |
| risolbasi | You either know, XOR you don't | 30 | |
| Manorom | Great Snakes | 3 | |
| missmcv | XOR Starter | 10 | |
| wilex11 | Forbidden Fruit | 150 | |
| Hattmakare | Computing Shared Secrets | 30 | |
| enomalova | Base64 | 10 | |
| beot66 | Sharks on the Wire | 10 | |
| Manorom | Finding Flags | 2 |
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