Here's the result of the first tutorial building Space Invaders at CoderDojo at Realm. Note, the final version is over at https://scratch.mit.edu/projects/187338015 This version has: - A moving spaceship (press LEFT or RIGHT) - A grid of enemies - Press SPACE to fire and shoot down the enemies - Shooting your shields inflicts damage Still to do: - Move the enemies in a pattern - Scoring - Intro/outro screens - Change enemy speed See https://www.youtube.com/watch?v=axlx3o0codc for the original arcade game. See https://scratch.mit.edu/projects/184149634/ for part two of the tutorial.