Summary Introduction Algorithm Fibonacci_Not! Trie Again Punchagle Punchagle 2 Punchagle 3 Cryptography Bdrzrzq Ciphered Ceebeecee Forensics Easy Points? Stegging SID Coin Game Exploitation Introduction to Colors Moving North Size of a Giant Negative Time Pwning pwn1 pwn2 Recon Eye Are See ubuntor adunna awe Val, V, nicebowlofsoup Reversing Pizazz λ1 Web Exploitation The Flag Shop The Flag Shop: Part 2 Obfuscat