Centipede/YMMV


 * Demonic Spiders: Possibly the earliest example of these.
 * Good Bad Bug: A bug in the code for the cocktail (sitdown) cabinet version caused the game to not realize that the orientation of the second player was opposite of the first, causing the spider to be restricted to the very top of the screen for the second player.
 * What Do You Mean It Wasn't Made on Drugs?: The original commercial.