| Date | User | Challenge | Score |
| crazywolfy | XOR Starter | 10 | |
| lapa | Keyed Permutations | 5 | |
| madzh | Favourite byte | 20 | |
| agentjlrmt | Ron was Wrong, Whit is Right | 90 | |
| crazywolfy | Bytes and Big Integers | 10 | |
| MuneebCantCTF | ECB CBC WTF | 55 | |
| Retro16 | Modular Inverting | 25 | |
| Retro16 | Modular Arithmetic 2 | 20 | |
| Retro16 | Modular Arithmetic 1 | 20 | |
| Retro16 | Extended GCD | 20 | |
| Retro16 | Greatest Common Divisor | 15 | |
| agentjlrmt | Null or Never | 100 | |
| DxT3r | Modular Square Root | 35 | |
| b1b00www | The Matrix Reloaded | 100 | |
| agentjlrmt | Marin's Secrets | 50 | |
| bobiealice | Marin's Secrets | 50 | |
| ThinkInTheBox | The Matrix Reloaded | 100 | |
| crazywolfy | Base64 | 10 | |
| Suica | Quadratic Residues | 25 | |
| alaiaaavega | Finding Flags | 2 | |
| agentjlrmt | Crossed Wires | 100 | |
| crazywolfy | Hex | 5 | |
| Sebgardesl | Finding Flags | 2 | |
| PJ696769 | Modular Arithmetic 1 | 20 | |
| agentjlrmt | Infinite Descent | 50 | |
| LeFleau | Base64 | 10 | |
| dapa_ayayyy | Euler's Totient | 20 | |
| PJ696769 | Extended GCD | 20 | |
| LeFleau | Hex | 5 | |
| LeFleau | ASCII | 5 | |
| abcdefghijklmno | Modular Arithmetic 2 | 20 | |
| crazywolfy | ASCII | 5 | |
| MuneebCantCTF | ECB Oracle | 60 | |
| agentjlrmt | Everything is Big | 70 | |
| agentjlrmt | Modulus Inutilis | 50 | |
| agentjlrmt | Salty | 20 | |
| tarim | Great Snakes | 3 | |
| tarim | Finding Flags | 2 | |
| CYDF1121 | Modulus Inutilis | 50 | |
| gruenerheli | Favourite byte | 20 | |
| DxT3r | Legendre Symbol | 35 | |
| crazywolfy | Great Snakes | 3 | |
| gruenerheli | XOR Properties | 15 | |
| kainhou4 | Base64 | 10 | |
| kainhou4 | Hex | 5 | |
| agentjlrmt | Factoring | 15 | |
| kainhou4 | ASCII | 5 | |
| crazywolfy | Finding Flags | 2 | |
| lube | You either know, XOR you don't | 30 | |
| kainhou4 | Great Snakes | 3 |
You are now level Current level