A CTF hosted by Google, with some beginner/medium challenges


7 - ReadySetAction

A simple crypto challenge where you need to find a trick to decrypt the RSA-like algorithm. Learn about simple cryptography, math and gmpy2 in Python


5 - Twisted robot

A challenge that generates random numbers and encrypts a secret. Using RandCrack the random seed can be cracked and the secret decrypted


4 - Electronics Research Lab

A challenge with some C code, used in a hardware device. learn about reversing the code and looking up documentation of functions to see what it does


3 - High Speed Chase

Create an algorithm to guide a car through traffic in JavaScript. Learn about creating your own algorithms, and coding in JavaScript


1 - CCTV

First challenge. Learn about reversing JavaScript code and creating a password the passes a condition