| Date | User | Challenge | Score |
| Pavia127 | Round Keys | 20 | |
| alexdzul | Confusion through Substitution | 25 | |
| Asafcd | Confusion through Substitution | 25 | |
| ga123 | Structure of AES | 15 | |
| LuisARS | Structure of AES | 15 | |
| DinoCodeAdvisor | Confusion through Substitution | 25 | |
| jmanguem | Keyed Permutations | 5 | |
| alexdzul | Resisting Bruteforce | 10 | |
| jmanguem | Resisting Bruteforce | 10 | |
| Asafcd | Round Keys | 20 | |
| alexdzul | Round Keys | 20 | |
| Pavia127 | Structure of AES | 15 | |
| Realityfirst | Base64 | 10 | |
| alexdzul | Keyed Permutations | 5 | |
| alexdzul | Structure of AES | 15 | |
| Asafcd | Structure of AES | 15 | |
| Ooch | Keyed Permutations | 5 | |
| Realityfirst | Hex | 5 | |
| jmanguem | XOR Properties | 15 | |
| Pavia127 | SSH Keys | 35 | |
| Ooch | Network Attacks | 5 | |
| DinoCodeAdvisor | SSH Keys | 35 | |
| Pavia127 | Resisting Bruteforce | 10 | |
| jmanguem | Favourite byte | 20 | |
| LuisARS | XOR Starter | 10 | |
| ga123 | XOR Starter | 10 | |
| Asafcd | Favourite byte | 20 | |
| Pavia127 | Keyed Permutations | 5 | |
| Asafcd | Great Snakes | 3 | |
| Realityfirst | ASCII | 5 | |
| Asafcd | Finding Flags | 2 | |
| Pavia127 | CERTainly not | 30 | |
| Viper0o | Finding Flags | 2 | |
| DinoCodeAdvisor | CERTainly not | 30 | |
| Pavia127 | Token Appreciation | 5 | |
| jmanguem | XOR Starter | 10 | |
| agira | Base64 | 10 | |
| alexdzul | Favourite byte | 20 | |
| marcofireball84 | Infinite Descent | 50 | |
| LuisARS | Bytes and Big Integers | 10 | |
| Ooch | Great Snakes | 3 | |
| Pavia127 | JWT Sessions | 10 | |
| Asafcd | XOR Properties | 15 | |
| alexdzul | XOR Properties | 15 | |
| Realityfirst | Great Snakes | 3 | |
| Pavia127 | Privacy-Enhanced Mail? | 25 | |
| agira | Hex | 5 | |
| Realityfirst | Finding Flags | 2 | |
| DinoCodeAdvisor | Privacy-Enhanced Mail? | 25 | |
| Ooch | Finding Flags | 2 |
You are now level Current level