| Date | User | Challenge | Score |
| resstcat | Quadratic Residues | 25 | |
| resstcat | Modular Inverting | 25 | |
| chrismeraidan | Finding Flags | 2 | |
| SamMilk123456 | Great Snakes | 3 | |
| caledagoat | ASCII | 5 | |
| bhavnzzn | Base64 | 10 | |
| HaydenK | Finding Flags | 2 | |
| resstcat | Modular Arithmetic 2 | 20 | |
| SamMilk123456 | Finding Flags | 2 | |
| maimaiprincess | Greatest Common Divisor | 15 | |
| resstcat | Modular Arithmetic 1 | 20 | |
| Zeras | ASCII | 5 | |
| ignacioPereyra | ASCII | 5 | |
| diyor | XOR Starter | 10 | |
| ashlayne | Base64 | 10 | |
| ANG | Quadratic Residues | 25 | |
| ANG | Modular Inverting | 25 | |
| ignacioPereyra | Network Attacks | 5 | |
| ANG | Modular Arithmetic 2 | 20 | |
| ANG | Modular Arithmetic 1 | 20 | |
| ANG | Extended GCD | 20 | |
| ashlayne | Hex | 5 | |
| ANG | Greatest Common Divisor | 15 | |
| langar_dhouha | Bytes and Big Integers | 10 | |
| bhavnzzn | Hex | 5 | |
| bhavnzzn | ASCII | 5 | |
| lerequin | ECB CBC WTF | 55 | |
| ignacioPereyra | Great Snakes | 3 | |
| modestrebel4012 | Resisting Bruteforce | 10 | |
| bhavnzzn | Great Snakes | 3 | |
| DetestoDocker | Great Snakes | 3 | |
| resstcat | Extended GCD | 20 | |
| Ale_t_123 | Finding Flags | 2 | |
| replicateqw | You either know, XOR you don't | 30 | |
| resstcat | Greatest Common Divisor | 15 | |
| replicateqw | Favourite byte | 20 | |
| DetestoDocker | Finding Flags | 2 | |
| bhavnzzn | Finding Flags | 2 | |
| resstcat | You either know, XOR you don't | 30 | |
| resstcat | Favourite byte | 20 | |
| replicateqw | XOR Properties | 15 | |
| resstcat | XOR Properties | 15 | |
| C_Mungla | Legendre Symbol | 35 | |
| resstcat | Encoding Challenge | 40 | |
| replicateqw | XOR Starter | 10 | |
| C_Mungla | Modular Square Root | 35 | |
| replicateqw | Bytes and Big Integers | 10 | |
| diyor | Bytes and Big Integers | 10 | |
| replicateqw | Base64 | 10 | |
| resstcat | XOR Starter | 10 |
You are now level Current level