| Date | User | Challenge | Score |
| dtkvinh | XOR Starter | 10 | |
| LaminalChing | Hex | 5 | |
| rraghad | You either know, XOR you don't | 30 | |
| jmaxw | Favourite byte | 20 | |
| rraghad | Favourite byte | 20 | |
| LaminalChing | ASCII | 5 | |
| LaminalChing | Great Snakes | 3 | |
| rraghad | XOR Properties | 15 | |
| c0ffe3e | RSA Decryption | 20 | |
| LaminalChing | Finding Flags | 2 | |
| c0ffe3e | Private Keys | 20 | |
| c0ffe3e | Euler's Totient | 20 | |
| c0ffe3e | Public Keys | 15 | |
| dialaa_444 | RSA Decryption | 20 | |
| 9tsrC_s | Base64 | 10 | |
| Agent_Jilian | Great Snakes | 3 | |
| spriing | You either know, XOR you don't | 30 | |
| ngynmq | Hamiltonicity 1 | 100 | |
| c0ffe3e | Modular Exponentiation | 10 | |
| rraghad | XOR Starter | 10 | |
| leechangsheng | Base64 | 10 | |
| rraghad | Encoding Challenge | 40 | |
| 9tsrC_s | Hex | 5 | |
| dialaa_444 | Private Keys | 20 | |
| linguo | Extended GCD | 20 | |
| NicoNieners | Modulus Inutilis | 50 | |
| dialaa_444 | Euler's Totient | 20 | |
| dialaa_444 | Public Keys | 15 | |
| kevin21 | Private Keys | 20 | |
| 9tsrC_s | ASCII | 5 | |
| dialaa_444 | Modular Exponentiation | 10 | |
| Abdulrahman20 | ASCII | 5 | |
| Abdulrahman20 | Great Snakes | 3 | |
| Haikall | Flipping Cookie | 60 | |
| NicoNieners | Salty | 20 | |
| Ammar_amm | RSA Decryption | 20 | |
| Ammar_amm | Private Keys | 20 | |
| Ammar_amm | Euler's Totient | 20 | |
| leechangsheng | Hex | 5 | |
| Ammar_amm | Public Keys | 15 | |
| Ammar_amm | Modular Exponentiation | 10 | |
| NicoNieners | Manyprime | 40 | |
| Ammar_amm | You either know, XOR you don't | 30 | |
| Ammar_amm | Favourite byte | 20 | |
| leechangsheng | ASCII | 5 | |
| kevin21 | Euler's Totient | 20 | |
| os1 | XOR Starter | 10 | |
| Ammar_amm | XOR Properties | 15 | |
| Podliq | Bytes and Big Integers | 10 | |
| Ammar_amm | XOR Starter | 10 |
You are now level Current level