| Date | User | Challenge | Score |
| breadtank08 | XOR Starter | 10 | |
| Cadi_Daniel | Adrien's Signs | 80 | |
| miio | ASCII | 5 | |
| Superior | OffTopic (ECSC 2024 (Italy)) | 0 | |
| thehao | Modular Exponentiation | 10 | |
| saro | Megalomaniac 2 | 120 | |
| P4tchw0rk | You either know, XOR you don't | 30 | |
| miio | Great Snakes | 3 | |
| miio | Finding Flags | 2 | |
| breadtank08 | Bytes and Big Integers | 10 | |
| jdkko | Modular Arithmetic 2 | 20 | |
| Alfred_Gitonga | Extended GCD | 20 | |
| williehen | Saying Hello | 20 | |
| SudoJudo | Finding Flags | 2 | |
| Gari_Michelle_Ch | Modular Binomials | 80 | |
| Gari_Michelle_Ch | Adrien's Signs | 80 | |
| Gari_Michelle_Ch | Chinese Remainder Theorem | 40 | |
| Gari_Michelle_Ch | Modular Square Root | 35 | |
| Gari_Michelle_Ch | Legendre Symbol | 35 | |
| Gari_Michelle_Ch | Quadratic Residues | 25 | |
| Gari_Michelle_Ch | Modular Inverting | 25 | |
| nullbyte0x00 | Diffusion through Permutation | 30 | |
| Gari_Michelle_Ch | Modular Arithmetic 2 | 20 | |
| Abdulrahman77510 | Let's Decrypt Again | 175 | |
| breadtank08 | Base64 | 10 | |
| mohammedmahboob | Computing Public Values | 25 | |
| Gari_Michelle_Ch | Modular Arithmetic 1 | 20 | |
| Wofb | Modular Binomials | 80 | |
| mohammedmahboob | Computing Shared Secrets | 30 | |
| Abdulrahman77510 | Vote for Pedro | 150 | |
| Gari_Michelle_Ch | Extended GCD | 20 | |
| Abdulrahman77510 | Blinding Light | 120 | |
| Abdulrahman77510 | Let's Decrypt | 80 | |
| Gari_Michelle_Ch | Greatest Common Divisor | 15 | |
| Abdulrahman77510 | Signing Server | 60 | |
| Abdulrahman77510 | Null or Never | 100 | |
| Abdulrahman77510 | Bespoke Padding | 100 | |
| breadtank08 | Hex | 5 | |
| Abdulrahman77510 | RSA Backdoor Viability | 175 | |
| williehen | TLS Handshake | 15 | |
| Abdulrahman77510 | Ron was Wrong, Whit is Right | 90 | |
| Oswald | Meet me in the Claw | 120 | |
| Abdulrahman77510 | Marin's Secrets | 50 | |
| Abdulrahman77510 | Fast Primes | 75 | |
| hakujipavel | Bytes and Big Integers | 10 | |
| PHRRB | Base64 | 10 | |
| Abdulrahman77510 | Infinite Descent | 50 | |
| Abdulrahman77510 | Everything is Big | 70 | |
| saro | DLOG on the Surface | 40 | |
| Gari_Michelle_Ch | You either know, XOR you don't | 30 |
You are now level Current level