Learn how to create game logic for a 2D mini-game in Spark AR using the patch editor. Discover techniques for counting targets, implementing start and end game events, and handling errors in Instagram filters. Build upon the project from part one to add interactive elements like hit detection, score tracking, and game-over screens. Follow along with step-by-step instructions on setting up hit targets, creating a counter system, managing game-ending scenarios, and initiating gameplay through screen touch. Gain practical skills in developing engaging augmented reality games for social media platforms.