| Date | User | Challenge | Score |
| lhr | Vote for Pedro | 150 | |
| s30s0ft | Structure of AES | 15 | |
| s30s0ft | Resisting Bruteforce | 10 | |
| irootwizard | Hex | 5 | |
| Yeonjae | Greatest Common Divisor | 15 | |
| gulliver | Jack's Birthday Confusion | 30 | |
| gulliver | Jack's Birthday Hash | 20 | |
| chelinh | Bringing It All Together | 50 | |
| irootwizard | ASCII | 5 | |
| wiz1106 | Greatest Common Divisor | 15 | |
| irootwizard | Great Snakes | 3 | |
| Yeonjae | You either know, XOR you don't | 30 | |
| zzm | ASCII | 5 | |
| Vansforever | Network Attacks | 5 | |
| zzm | Great Snakes | 3 | |
| zzm | Finding Flags | 2 | |
| irootwizard | Finding Flags | 2 | |
| gulliver | Resisting Bruteforce | 10 | |
| gulliver | Keyed Permutations | 5 | |
| DjokoHaryo | Modular Arithmetic 2 | 20 | |
| Venus_Rage | Base64 | 10 | |
| HighestClimber | Flipping Cookie | 60 | |
| DjokoHaryo | Modular Arithmetic 1 | 20 | |
| Vansforever | Great Snakes | 3 | |
| Vansforever | Finding Flags | 2 | |
| grazkaa | Megalomaniac 2 | 120 | |
| HighestClimber | ECB CBC WTF | 55 | |
| dylanmooneymusic | Resisting Bruteforce | 10 | |
| xoutbreakx | Resisting Bruteforce | 10 | |
| dylanmooneymusic | Keyed Permutations | 5 | |
| xoutbreakx | Keyed Permutations | 5 | |
| dylanmooneymusic | Modular Inverting | 25 | |
| DjokoHaryo | Extended GCD | 20 | |
| xoutbreakx | ASCII | 5 | |
| xoutbreakx | Great Snakes | 3 | |
| xoutbreakx | Finding Flags | 2 | |
| bagus | You either know, XOR you don't | 30 | |
| DjokoHaryo | Greatest Common Divisor | 15 | |
| Al3xHK | Bytes and Big Integers | 10 | |
| bagus | Favourite byte | 20 | |
| justhere | Base64 | 10 | |
| justhere | Hex | 5 | |
| justhere | ASCII | 5 | |
| justhere | Great Snakes | 3 | |
| phat1911 | Jack's Birthday Hash | 20 | |
| Al3xHK | Base64 | 10 | |
| Al3xHK | Hex | 5 | |
| Al3xHK | ASCII | 5 | |
| Naswa08 | Finding Flags | 2 | |
| Dersteppenwolf74 | ASCII | 5 |
You are now level Current level