| Date | User | Challenge | Score |
| VISAS_STARFROST | Parameter Injection | 60 | |
| Mosesmm | Finding Flags | 2 | |
| crack_head | Bytes and Big Integers | 10 | |
| Thunderstorm_289 | ASCII | 5 | |
| Cyryz | Network Attacks | 5 | |
| Thunderstorm_289 | Great Snakes | 3 | |
| Xtrimi | No Leaks | 100 | |
| Thunderstorm_289 | Finding Flags | 2 | |
| Cyryz | Great Snakes | 3 | |
| crack_head | Base64 | 10 | |
| Cyryz | Finding Flags | 2 | |
| crack_head | Hex | 5 | |
| crack_head | ASCII | 5 | |
| sixseven | Favourite byte | 20 | |
| cuongsl | ECB Oracle | 60 | |
| crack_head | Great Snakes | 3 | |
| LoftyCheese | Greatest Common Divisor | 15 | |
| kt010724 | Greatest Common Divisor | 15 | |
| crack_head | Finding Flags | 2 | |
| iamsaleh846 | Base64 | 10 | |
| kt010724 | Lemur XOR | 40 | |
| syha | Favourite byte | 20 | |
| iamsaleh846 | Hex | 5 | |
| iamsaleh846 | ASCII | 5 | |
| eubdq | You either know, XOR you don't | 30 | |
| VISAS_STARFROST | Deriving Symmetric Keys | 40 | |
| iamsaleh846 | Great Snakes | 3 | |
| skeksis | You either know, XOR you don't | 30 | |
| iamsaleh846 | Finding Flags | 2 | |
| cahidenes | Moving Problems | 150 | |
| kt010724 | You either know, XOR you don't | 30 | |
| syha | XOR Properties | 15 | |
| Xtrimi | Gotta Go Fast | 40 | |
| racdormeister | Resisting Bruteforce | 10 | |
| sixseven | XOR Properties | 15 | |
| plushie | Legendre Symbol | 35 | |
| racdormeister | Keyed Permutations | 5 | |
| eubdq | Favourite byte | 20 | |
| hecjer | Greatest Common Divisor | 15 | |
| syha | XOR Starter | 10 | |
| syha | Bytes and Big Integers | 10 | |
| kt010724 | Favourite byte | 20 | |
| shhack96 | Passwords as Keys | 50 | |
| kt010724 | XOR Properties | 15 | |
| Flexratedr | Finding Flags | 2 | |
| syha | Base64 | 10 | |
| kt010724 | XOR Starter | 10 | |
| syha | Hex | 5 | |
| kt010724 | Encoding Challenge | 40 | |
| racdormeister | Finding Flags | 2 |
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