| Date | User | Challenge | Score |
| wascker | Resisting Bruteforce | 10 | |
| wascker | Keyed Permutations | 5 | |
| NoBirdWasHam | FaILProof Revenge (SekaiCTF) | 0 | |
| Depredaror | Great Snakes | 3 | |
| radare | Verilicious (Cyber Apocalypse 2025) | 0 | |
| why1047 | Legendre Symbol | 35 | |
| bcc | Modular Arithmetic 1 | 20 | |
| SZXVI | Finding Flags | 2 | |
| TreeSquirrles | ASCII | 5 | |
| TreeSquirrles | Great Snakes | 3 | |
| TreeSquirrles | Finding Flags | 2 | |
| aa1 | ASCII | 5 | |
| krizz1337 | Chinese Remainder Theorem | 40 | |
| PancakesSyrup | Modular Arithmetic 2 | 20 | |
| PancakesSyrup | Modular Arithmetic 1 | 20 | |
| PancakesSyrup | Extended GCD | 20 | |
| krizz1337 | Modular Square Root | 35 | |
| SerBoinkus | ASCII | 5 | |
| krizz1337 | Legendre Symbol | 35 | |
| LACiA | Jeff's LFSR | 150 | |
| bsa | Finding Flags | 2 | |
| bechir_x09 | Marin's Secrets | 50 | |
| PancakesSyrup | Greatest Common Divisor | 15 | |
| bechir_x09 | Infinite Descent | 50 | |
| bechir_x09 | Blinding Light | 120 | |
| bechir_x09 | Endless Emails | 150 | |
| bechir_x09 | Let's Decrypt | 80 | |
| bechir_x09 | Everything is Still Big | 100 | |
| SerBoinkus | Great Snakes | 3 | |
| bechir_x09 | Signing Server | 60 | |
| bechir_x09 | Real Eisenstein | 150 | |
| bechir_x09 | Prime and Prejudice | 200 | |
| PancakesSyrup | You either know, XOR you don't | 30 | |
| bechir_x09 | Unencryptable | 125 | |
| bechir_x09 | Common Ground | 75 | |
| bechir_x09 | Authenticated Handshake | 40 | |
| PancakesSyrup | Favourite byte | 20 | |
| bechir_x09 | Decrypting TLS 1.3 | 35 | |
| bechir_x09 | Decrypting TLS 1.2 | 30 | |
| bechir_x09 | Saying Hello | 20 | |
| bechir_x09 | RSA or HMAC? Part 2 | 100 | |
| bechir_x09 | TLS Handshake | 15 | |
| bechir_x09 | Sharks on the Wire | 10 | |
| sirivarshank | XOR Starter | 10 | |
| bechir_x09 | Secure Protocols | 5 | |
| bechir_x09 | JSON in JSON | 40 | |
| bechir_x09 | RSA or HMAC? | 35 | |
| PancakesSyrup | XOR Properties | 15 | |
| sirivarshank | Bytes and Big Integers | 10 | |
| bechir_x09 | The Good, The Pad, The Ugly | 100 |
You are now level Current level