| Date | User | Challenge | Score |
| fizzyzid | Great Snakes | 3 | |
| cyk0sure | Decrypting TLS 1.3 | 35 | |
| Joyjondy | Great Snakes | 3 | |
| fizzyzid | Finding Flags | 2 | |
| yosoyrev | Network Attacks | 5 | |
| nas_31327 | Extended GCD | 20 | |
| nas_31327 | Greatest Common Divisor | 15 | |
| strikeout | Signing Server | 60 | |
| nas_31327 | You either know, XOR you don't | 30 | |
| nas_31327 | Favourite byte | 20 | |
| Kazum1244 | Modular Arithmetic 1 | 20 | |
| nas_31327 | XOR Properties | 15 | |
| nas_31327 | XOR Starter | 10 | |
| cyk0sure | Decrypting TLS 1.2 | 30 | |
| nas_31327 | Bytes and Big Integers | 10 | |
| nas_31327 | Base64 | 10 | |
| strikeout | Marin's Secrets | 50 | |
| yosoyrev | You either know, XOR you don't | 30 | |
| yosoyrev | Favourite byte | 20 | |
| nas_31327 | Hex | 5 | |
| yosoyrev | XOR Properties | 15 | |
| nas_31327 | ASCII | 5 | |
| ragunogh | Bean Counter | 60 | |
| Bokuto | Bytes and Big Integers | 10 | |
| yosoyrev | XOR Starter | 10 | |
| yosoyrev | Bytes and Big Integers | 10 | |
| yosoyrev | Base64 | 10 | |
| yosoyrev | Hex | 5 | |
| ragunogh | Symmetry | 50 | |
| yosoyrev | ASCII | 5 | |
| yosoyrev | Great Snakes | 3 | |
| brawl02 | Bytes and Big Integers | 10 | |
| starnotes | Flipping Cookie | 60 | |
| brawl02 | Base64 | 10 | |
| ragunogh | Flipping Cookie | 60 | |
| Kazum1244 | Greatest Common Divisor | 15 | |
| ragunogh | ECB CBC WTF | 55 | |
| benito255 | Tenet: The Plagarism (HKCERT CTF) | 0 | |
| abraham404 | Base64 | 10 | |
| benito255 | Do you have good eyes? (Breizh CTF) | 0 | |
| benito255 | import numpy as MT (Zh3r0 CTF V2) | 0 | |
| benito255 | Unevaluated (TETCTF) | 0 | |
| benito255 | Unimplemented (TETCTF) | 0 | |
| benito255 | Twist and Shout (Zh3r0 CTF V2) | 0 | |
| benito255 | Key Backup Service 2 (HKCERT CTF) | 0 | |
| benito255 | A Joke Cipher (HKCERT CTF) | 0 | |
| benito255 | 1n_jection (Zh3r0 CTF V2) | 0 | |
| benito255 | 1337crypt v2 (DownUnderCTF) | 0 | |
| IgnAto | Modular Inverting | 25 | |
| benito255 | Authenticator (Firebird Internal CTF) | 0 |
You are now level Current level