I recreated a Web Version of the very popular late 70's game Space Invaders. A useful exercise especially for experimenting with game development dynamics in Javascript. The game is fully playable locally

Here's a DEMO:

space_invaders_demo.mp4

Space Invaders is a fixed shooter in which the player moves a laser cannon horizontally across the bottom of the screen and fires at aliens overhead. The aliens begin as two rows of three that move left and right as a group, shifting downward (advancing on the shooter) each time they reach a screen edge. The goal is to eliminate all of the aliens by shooting them.