| Date | User | Challenge | Score |
| ciberdef | Great Snakes | 3 | |
| Lychee_Doggo | Extended GCD | 20 | |
| ciberdef | Finding Flags | 2 | |
| tomichou | Bytes and Big Integers | 10 | |
| AaronCrighton | Paper Plane | 120 | |
| tomichou | Base64 | 10 | |
| Franker | Finding Flags | 2 | |
| y0dam4n | Logon Zero | 80 | |
| felippemsc | XOR Starter | 10 | |
| tomichou | Hex | 5 | |
| tomichou | ASCII | 5 | |
| alzzz | Flipping Cookie | 60 | |
| felippemsc | Bytes and Big Integers | 10 | |
| tomichou | Great Snakes | 3 | |
| tomichou | Finding Flags | 2 | |
| polepouly | Base64 | 10 | |
| polepouly | Hex | 5 | |
| quadfire | Modular Binomials | 80 | |
| polepouly | ASCII | 5 | |
| branlol | Great Snakes | 3 | |
| polepouly | Great Snakes | 3 | |
| MPB | You either know, XOR you don't | 30 | |
| polepouly | Finding Flags | 2 | |
| MPB | Favourite byte | 20 | |
| MPB | XOR Properties | 15 | |
| MPB | XOR Starter | 10 | |
| MPB | Bytes and Big Integers | 10 | |
| MPB | Hex | 5 | |
| MPB | ASCII | 5 | |
| MPB | Finding Flags | 2 | |
| MPB | Chinese Remainder Theorem | 40 | |
| html | Great Snakes | 3 | |
| Morticiaxx | No Way JOSE | 20 | |
| MrCobblepot | ZKP Introduction | 5 | |
| alzzz | ECB CBC WTF | 55 | |
| RotaJakiro | Efficient Exchange | 50 | |
| quadfire | Adrien's Signs | 80 | |
| ivan_onopriienko | Curveball | 100 | |
| MPB | Quadratic Residues | 25 | |
| Giovanni2004 | ProSign 3 | 100 | |
| MPB | Modular Inverting | 25 | |
| MPB | Modular Arithmetic 2 | 20 | |
| MPB | Modular Arithmetic 1 | 20 | |
| MPB | Extended GCD | 20 | |
| MPB | Greatest Common Divisor | 15 | |
| rradhasan | You either know, XOR you don't | 30 | |
| lerequin | Smooth Criminal | 60 | |
| Alon9400 | Euler's Totient | 20 | |
| MrCobblepot | No Way Back Home | 100 | |
| Morticiaxx | JWT Sessions | 10 |
You are now level Current level