| Date | User | Challenge | Score |
| csaron0 | Base64 | 10 | |
| Renzzz | Finding Flags | 2 | |
| brandonwinecoor | XOR Properties | 15 | |
| gandalf99 | Favourite byte | 20 | |
| RDxR10 | 1337crypt (DownUnderCTF) | 0 | |
| csaron0 | Hex | 5 | |
| leo_god | Modular Inverting | 25 | |
| Yash455554 | Network Attacks | 5 | |
| Shinny | Favourite byte | 20 | |
| csaron0 | ASCII | 5 | |
| leo_god | Modular Arithmetic 2 | 20 | |
| jamesss2056 | Base64 | 10 | |
| abhorash84 | Hex | 5 | |
| barglemygalls | You either know, XOR you don't | 30 | |
| leo_god | Modular Arithmetic 1 | 20 | |
| csaron0 | Great Snakes | 3 | |
| barglemygalls | ASCII | 5 | |
| csaron0 | Finding Flags | 2 | |
| barglemygalls | Jack's Birthday Confusion | 30 | |
| Yash455554 | Great Snakes | 3 | |
| barglemygalls | Jack's Birthday Hash | 20 | |
| facudualde | XOR Properties | 15 | |
| Yash455554 | Finding Flags | 2 | |
| Abstract | Monoprime | 30 | |
| gl1tt3rpuff0 | Network Attacks | 5 | |
| gandalf99 | XOR Properties | 15 | |
| OutOfTheWell | CERTainly not | 30 | |
| DLynel | XOR Starter | 10 | |
| DyN4m1ck | Network Attacks | 5 | |
| martigo | Adrien's Signs | 80 | |
| 3R3B05 | Modular Inverting | 25 | |
| Khaled_ahmed | Bean Counter | 60 | |
| elmasrn3 | XOR Properties | 15 | |
| gl1tt3rpuff0 | Great Snakes | 3 | |
| bichlen1 | You either know, XOR you don't | 30 | |
| UnlamG1MA | Modular Inverting | 25 | |
| gl1tt3rpuff0 | Finding Flags | 2 | |
| bichlen1 | Favourite byte | 20 | |
| Ale_09 | Base64 | 10 | |
| bholdd | Bytes and Big Integers | 10 | |
| bichlen1 | XOR Properties | 15 | |
| leo_god | Extended GCD | 20 | |
| Jaxa | Modular Square Root | 35 | |
| brandonwinecoor | XOR Starter | 10 | |
| Shinny | XOR Properties | 15 | |
| martenerik | Finding Flags | 2 | |
| 3R3B05 | Modular Arithmetic 2 | 20 | |
| rahafCYS | Triple DES | 60 | |
| OutOfTheWell | Privacy-Enhanced Mail? | 25 | |
| DLynel | Bytes and Big Integers | 10 |
You are now level Current level