| Date | User | Challenge | Score |
| devb | Great Snakes | 3 | |
| skishoemakers | Base64 | 10 | |
| devb | Finding Flags | 2 | |
| xtrm0 | Meet me in the Claw | 120 | |
| Hgrocker | ASCII | 5 | |
| Hgrocker | Great Snakes | 3 | |
| Hgrocker | Finding Flags | 2 | |
| skishoemakers | Hex | 5 | |
| skishoemakers | ASCII | 5 | |
| APhw | Base64 | 10 | |
| xianggenglihai | Jack's Birthday Confusion | 30 | |
| APhw | Hex | 5 | |
| skishoemakers | Great Snakes | 3 | |
| skishoemakers | Finding Flags | 2 | |
| APhw | ASCII | 5 | |
| xianggenglihai | Jack's Birthday Hash | 20 | |
| APhw | Network Attacks | 5 | |
| NK_HERE | Modular Inverting | 25 | |
| NK_HERE | Modular Arithmetic 2 | 20 | |
| NK_HERE | Modular Arithmetic 1 | 20 | |
| APhw | Great Snakes | 3 | |
| NK_HERE | Extended GCD | 20 | |
| NK_HERE | Greatest Common Divisor | 15 | |
| yona_txt | Bytes and Big Integers | 10 | |
| RayK06 | You either know, XOR you don't | 30 | |
| NK_HERE | You either know, XOR you don't | 30 | |
| NK_HERE | Favourite byte | 20 | |
| NK_HERE | XOR Properties | 15 | |
| yona_txt | Base64 | 10 | |
| RayK06 | Favourite byte | 20 | |
| yona_txt | Hex | 5 | |
| yona_txt | ASCII | 5 | |
| yona_txt | Great Snakes | 3 | |
| Amilcar11 | Bytes and Big Integers | 10 | |
| yona_txt | Finding Flags | 2 | |
| NK_HERE | XOR Starter | 10 | |
| Amilcar11 | Base64 | 10 | |
| Anti_ | Scalar Multiplication | 35 | |
| loykob | Encoding Challenge | 40 | |
| theegg | Favourite byte | 20 | |
| Amilcar11 | Hex | 5 | |
| francescog2k6 | JWT Sessions | 10 | |
| t3ngu | XOR Starter | 10 | |
| t3ngu | Bytes and Big Integers | 10 | |
| t3ngu | Base64 | 10 | |
| t3ngu | Hex | 5 | |
| francescog2k6 | Token Appreciation | 5 | |
| t3ngu | ASCII | 5 | |
| t3ngu | Great Snakes | 3 | |
| t3ngu | Finding Flags | 2 |
You are now level Current level