| Date | User | Challenge | Score |
| lunkes | Finding Flags | 2 | |
| 0xs1nr | Pad Thai | 80 | |
| syadidd | Modular Exponentiation | 10 | |
| tefritoelsystema | Great Snakes | 3 | |
| dapa_ayayyy | Modular Arithmetic 2 | 20 | |
| syadidd | ECB Oracle | 60 | |
| cuuntzu | Finding Flags | 2 | |
| Junezq | XOR Starter | 10 | |
| yuanjuncai | Finding Flags | 2 | |
| tefritoelsystema | Finding Flags | 2 | |
| Junezq | Bytes and Big Integers | 10 | |
| Junezq | Base64 | 10 | |
| VNKING777 | Great Snakes | 3 | |
| raphyyzzz | Point Negation | 10 | |
| raphyyzzz | Background Reading | 5 | |
| khxjn | Moving Problems | 150 | |
| sejin | Legendre Symbol | 35 | |
| VNKING777 | Finding Flags | 2 | |
| Nicholas_Ong | Encoding Challenge | 40 | |
| GhostYLP | Modular Arithmetic 2 | 20 | |
| GhostYLP | Modular Arithmetic 1 | 20 | |
| ox1bx | The Good, The Pad, The Ugly | 100 | |
| cryptoRiO | Secure Protocols | 5 | |
| syadidd | ECB CBC WTF | 55 | |
| Nicholas_Ong | Bytes and Big Integers | 10 | |
| Nicholas_Ong | Base64 | 10 | |
| GhostYLP | Extended GCD | 20 | |
| Nicholas_Ong | Hex | 5 | |
| cryptoRiO | RSA or HMAC? Part 2 | 100 | |
| Nicholas_Ong | ASCII | 5 | |
| Nicholas_Ong | Network Attacks | 5 | |
| dapa_ayayyy | Modular Arithmetic 1 | 20 | |
| Nicholas_Ong | Great Snakes | 3 | |
| sejin | Quadratic Residues | 25 | |
| Nicholas_Ong | Finding Flags | 2 | |
| khxjn | Micro Transmissions | 120 | |
| OutOfTheWell | Proofs of Knowledge | 20 | |
| nesho | Encoding Challenge | 40 | |
| syadidd | Passwords as Keys | 50 | |
| j22465 | Base64 | 10 | |
| feynhat | Encoding Challenge | 40 | |
| mathical0732 | Moving Problems | 150 | |
| Junezq | Hex | 5 | |
| sejin | Extended GCD | 20 | |
| Xirius | Greatest Common Divisor | 15 | |
| Nadarama | RSA Decryption | 20 | |
| Nadarama | Private Keys | 20 | |
| Xirius | You either know, XOR you don't | 30 | |
| silover | Finding Flags | 2 | |
| GhostYLP | Greatest Common Divisor | 15 |
You are now level Current level