| Date | User | Challenge | Score |
| TheMarcsOv | Bringing It All Together | 50 | |
| Zuzix | Unencryptable | 125 | |
| build | Bytes and Big Integers | 10 | |
| RPKBasilisk | JSON in JSON | 40 | |
| groktopus | Favourite byte | 20 | |
| Zuzix | Roll your Own | 125 | |
| Anjie98 | Hex | 5 | |
| build | Base64 | 10 | |
| turtur | Modular Square Root | 35 | |
| TheMarcsOv | Diffusion through Permutation | 30 | |
| build | Hex | 5 | |
| Anjie98 | ASCII | 5 | |
| Zuzix | Ellipse Curve Cryptography | 125 | |
| Beethoven3 | Unencryptable | 125 | |
| build | ASCII | 5 | |
| josmel01 | Finding Flags | 2 | |
| build | Great Snakes | 3 | |
| build | Finding Flags | 2 | |
| AndreyZenchenko | Encoding Challenge | 40 | |
| AndreyZenchenko | Bytes and Big Integers | 10 | |
| AndreyZenchenko | Base64 | 10 | |
| AndreyZenchenko | Hex | 5 | |
| AndreyZenchenko | ASCII | 5 | |
| Zuzix | No Way Back Home | 100 | |
| Elycod | Base64 | 10 | |
| jcperez18 | Confusion through Substitution | 25 | |
| 0xMRX | XOR Starter | 10 | |
| InTime | Pad Thai | 80 | |
| TheMarcsOv | Confusion through Substitution | 25 | |
| alphaOne | Finding Flags | 2 | |
| groktopus | XOR Properties | 15 | |
| Elycod | Hex | 5 | |
| medofekry | Extended GCD | 20 | |
| 0xMRX | Bytes and Big Integers | 10 | |
| TheMarcsOv | Round Keys | 20 | |
| medofekry | Greatest Common Divisor | 15 | |
| 0xMRX | Base64 | 10 | |
| RPKBasilisk | Gotta Go Fast | 40 | |
| 0xMRX | Hex | 5 | |
| groktopus | XOR Starter | 10 | |
| cDenton | Modular Inverting | 25 | |
| Elycod | ASCII | 5 | |
| 0xMRX | ASCII | 5 | |
| TheMarcsOv | Structure of AES | 15 | |
| VladTheMonk | Base64 | 10 | |
| VladTheMonk | Hex | 5 | |
| VladTheMonk | ASCII | 5 | |
| medofekry | You either know, XOR you don't | 30 | |
| adolowy | Modular Binomials | 80 | |
| VladTheMonk | Great Snakes | 3 |
You are now level Current level