| Date | User | Challenge | Score |
| stvzor | Finding Flags | 2 | |
| LACiA | Let's Prove It | 120 | |
| Wisdom_doom | Export-grade | 100 | |
| cayce | Finding Flags | 2 | |
| oneday | Finding Flags | 2 | |
| Raindrops007 | ECB Oracle | 60 | |
| Raindrops007 | ECB CBC WTF | 55 | |
| Raindrops007 | Passwords as Keys | 50 | |
| Raindrops007 | Modes of Operation Starter | 15 | |
| 9KC | Base64 | 10 | |
| 9KC | Hex | 5 | |
| 9KC | ASCII | 5 | |
| 9KC | Great Snakes | 3 | |
| 9KC | Finding Flags | 2 | |
| aScriptKiddie | Base64 | 10 | |
| 1375185311 | ECB CBC WTF | 55 | |
| CrankyPants | Scalar Multiplication | 35 | |
| ghir0 | Rhetorical Oracle 2 | 150 | |
| CrankyPants | Point Addition | 30 | |
| jheybcodes | Finding Flags | 2 | |
| danishm | Base64 | 10 | |
| danishm | Hex | 5 | |
| alexcy | Smooth Criminal | 60 | |
| danishm | ASCII | 5 | |
| danishm | Great Snakes | 3 | |
| danishm | Finding Flags | 2 | |
| chahinaze | Modular Arithmetic 2 | 20 | |
| NoBirdWasHam | Triple DES | 60 | |
| khaldoze | Finding Flags | 2 | |
| CrankyPants | Point Negation | 10 | |
| chahinaze | Modular Arithmetic 1 | 20 | |
| CrankyPants | Background Reading | 5 | |
| rsg | Encoding Challenge | 40 | |
| NikitaDesign | Great Snakes | 3 | |
| NikitaDesign | Finding Flags | 2 | |
| asdasdasdasd | JWT Secrets | 25 | |
| Freitagen | Extended GCD | 20 | |
| Raspberry | Lemur XOR | 40 | |
| asdasdasdasd | No Way JOSE | 20 | |
| Raspberry | You either know, XOR you don't | 30 | |
| Nobody322 | Base64 | 10 | |
| asdasdasdasd | JWT Sessions | 10 | |
| asdasdasdasd | Token Appreciation | 5 | |
| CrankyPants | Export-grade | 100 | |
| nervantus | Resisting Bruteforce | 10 | |
| Freitagen | Greatest Common Divisor | 15 | |
| nervantus | Keyed Permutations | 5 | |
| Raspberry | Favourite byte | 20 | |
| Nobody322 | Hex | 5 | |
| kamlllzx | Favourite byte | 20 |
You are now level Current level