| Date | User | Challenge | Score |
| ShedoZmb | Favourite byte | 20 | |
| pentestmonkey | Square Eyes | 35 | |
| sanny | Bean Counter | 60 | |
| sanny | Symmetry | 50 | |
| watunyu_h | Marin's Secrets | 50 | |
| sanny | Flipping Cookie | 60 | |
| watunyu_h | RSA Backdoor Viability | 175 | |
| watunyu_h | Infinite Descent | 50 | |
| Duckart | Export-grade | 100 | |
| Alan233 | CERTainly not | 30 | |
| lucy54 | Mister Saplins The Prover | 125 | |
| ibpu | Resisting Bruteforce | 10 | |
| ibpu | Keyed Permutations | 5 | |
| lmlA | XOR Starter | 10 | |
| ibpu | Transparency | 50 | |
| ShedoZmb | XOR Properties | 15 | |
| eli_rizz | Modular Square Root | 35 | |
| sanny | ECB CBC WTF | 55 | |
| ibpu | SSH Keys | 35 | |
| watunyu_h | Everything is Big | 70 | |
| Tushnik | Modular Inverting | 25 | |
| sanny | ECB Oracle | 60 | |
| watunyu_h | Salty | 20 | |
| shynnevilla | Great Snakes | 3 | |
| watunyu_h | RSA Decryption | 20 | |
| sanny | Passwords as Keys | 50 | |
| katanabeneficial | Passwords as Keys | 50 | |
| l0rdimperi0 | Modular Arithmetic 1 | 20 | |
| ibpu | Lemur XOR | 40 | |
| pentestmonkey | Inferius Prime | 30 | |
| sixthhunter | ASCII | 5 | |
| KARTHIKEYAN | Great Snakes | 3 | |
| ShedoZmb | XOR Starter | 10 | |
| shynnevilla | Finding Flags | 2 | |
| l0rdimperi0 | Extended GCD | 20 | |
| Nithi | Network Attacks | 5 | |
| Alan233 | Privacy-Enhanced Mail? | 25 | |
| Chaitanya_Ganapa | Great Snakes | 3 | |
| KARTHIKEYAN | Finding Flags | 2 | |
| ibpu | You either know, XOR you don't | 30 | |
| Chaitanya_Ganapa | Finding Flags | 2 | |
| ibpu | Favourite byte | 20 | |
| Nithi | Base64 | 10 | |
| ibpu | CERTainly not | 30 | |
| Nithi | Hex | 5 | |
| ibpu | Privacy-Enhanced Mail? | 25 | |
| syadidd | Bytes and Big Integers | 10 | |
| sanny | Modes of Operation Starter | 15 | |
| ShedoZmb | Bytes and Big Integers | 10 | |
| ShedoZmb | Base64 | 10 |
You are now level Current level