| Date | User | Challenge | Score |
| chevy | Quadratic Residues | 25 | |
| CyberNet | Bytes and Big Integers | 10 | |
| kxld | Adrien's Signs | 80 | |
| 18lauey2 | Salty | 20 | |
| NabilRismawan | XOR Starter | 10 | |
| __arsen_poghosya | RSA Signatures | 25 | |
| leinad | Bytes and Big Integers | 10 | |
| illuminate0221 | Hex | 5 | |
| PYTHONX01 | Favourite byte | 20 | |
| CyberNet | Base64 | 10 | |
| 18lauey2 | Manyprime | 40 | |
| enwonnie | Finding Flags | 2 | |
| illuminate0221 | ASCII | 5 | |
| LostExcalibur | Everything is Big | 70 | |
| 2eags | XOR Starter | 10 | |
| duckpancakes | Round Keys | 20 | |
| PYTHONX01 | XOR Properties | 15 | |
| agomezmarti | Everything is Big | 70 | |
| Islam111 | Quadratic Residues | 25 | |
| LostExcalibur | Square Eyes | 35 | |
| Hans_sui | Find the Lattice | 100 | |
| cupid | Base64 | 10 | |
| __arsen_poghosya | RSA Decryption | 20 | |
| CyberNet | Hex | 5 | |
| Islam111 | Modular Inverting | 25 | |
| CyberNet | ASCII | 5 | |
| LostExcalibur | Inferius Prime | 30 | |
| CyberNet | Great Snakes | 3 | |
| CyberNet | Finding Flags | 2 | |
| SJacovettiJr | Chinese Remainder Theorem | 40 | |
| Grolando | Modular Exponentiation | 10 | |
| HeptaZ | Computing Public Values | 25 | |
| latticelarper | ASCII | 5 | |
| yinwenjin | XOR Properties | 15 | |
| AkramShiban600 | Network Attacks | 5 | |
| __arsen_poghosya | Private Keys | 20 | |
| HeptaZ | Generators of Groups | 20 | |
| itadori002 | Legendre Symbol | 35 | |
| SJacovettiJr | Modular Square Root | 35 | |
| __arsen_poghosya | Euler's Totient | 20 | |
| mboh2 | Encoding Challenge | 40 | |
| Islam111 | Modular Arithmetic 2 | 20 | |
| __arsen_poghosya | Public Keys | 15 | |
| __arsen_poghosya | Modular Exponentiation | 10 | |
| ANDY_NOAH | Bytes and Big Integers | 10 | |
| __arsen_poghosya | You either know, XOR you don't | 30 | |
| NabilRismawan | Bytes and Big Integers | 10 | |
| AkramShiban600 | Paper Plane | 120 | |
| Islam111 | Modular Arithmetic 1 | 20 | |
| AkramShiban600 | Forbidden Fruit | 150 |
You are now level Current level