How-To: Make your EAGLE schematic into a PCB - Make:
File:Game Gear VA0 Schematic - Main PCB 2.png - TechWiki
Blomby Car Abm Gecas  Jamma,arcade Video game board PCB C61 | eBay
Asteroids Multigame Kit -- Installation Guide
Kitronik ARCADE for MakeCode Arcade - Learning Developments
Asteroids Multigame Kit -- Installation Guide
PONG: making a game with 74 series logic chips #Atari #Pong #Gaming #History #PCB « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Advanced BYO Kit installation diagram with wiring schematic. : Xgaming