| Date | User | Challenge | Score |
| lucy54 | PriMeD5 | 100 | |
| J4n | Hex | 5 | |
| juli_2011 | ASCII | 5 | |
| sean_summer | Resisting Bruteforce | 10 | |
| Juggernaut1812 | RSA Signatures | 25 | |
| Amani | You either know, XOR you don't | 30 | |
| dyeclop | Quadratic Residues | 25 | |
| Amani | Favourite byte | 20 | |
| Amani | XOR Properties | 15 | |
| matiosos | Base64 | 10 | |
| juli_2011 | Great Snakes | 3 | |
| Amani | XOR Starter | 10 | |
| Juggernaut1812 | RSA Decryption | 20 | |
| Amani | Bytes and Big Integers | 10 | |
| ayget | Quadratic Residues | 25 | |
| Brock_hash | Base64 | 10 | |
| matiosos | Hex | 5 | |
| Amani | Base64 | 10 | |
| sean_summer | Keyed Permutations | 5 | |
| Juggernaut1812 | Private Keys | 20 | |
| xEcho1337 | Exceptional Curves | 100 | |
| Brock_hash | Hex | 5 | |
| ds0xxd3r | Export-grade | 100 | |
| Brock_hash | ASCII | 5 | |
| Juggernaut1812 | Euler's Totient | 20 | |
| Amani | Hex | 5 | |
| Brock_hash | Great Snakes | 3 | |
| Juggernaut1812 | Public Keys | 15 | |
| LuCpp | Marin's Secrets | 50 | |
| dyeclop | Modular Inverting | 25 | |
| Brock_hash | Finding Flags | 2 | |
| mercuryseries | XOR Starter | 10 | |
| Amani | ASCII | 5 | |
| lapa | XOR Starter | 10 | |
| juli_2011 | Finding Flags | 2 | |
| mercuryseries | Bytes and Big Integers | 10 | |
| Amani | Great Snakes | 3 | |
| dyeclop | Modular Arithmetic 2 | 20 | |
| ayget | Modular Inverting | 25 | |
| Juggernaut1812 | Modular Exponentiation | 10 | |
| dyeclop | Modular Arithmetic 1 | 20 | |
| potifypremium | Modular Inverting | 25 | |
| Amani | Finding Flags | 2 | |
| mercuryseries | Base64 | 10 | |
| dyeclop | Extended GCD | 20 | |
| ds0xxd3r | Parameter Injection | 60 | |
| mercuryseries | Hex | 5 | |
| mercuryseries | ASCII | 5 | |
| mercuryseries | Great Snakes | 3 | |
| hcanos | Network Attacks | 5 |
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