Yat C ROM Download for Atari 800 on Emulator Games. Play Yat C game that is available in the United States of America (USA) version only on this website. Yat C is a Atari 800 emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as PacMan, Space Invaders and Centipede (1981)(Atari) as shown below. Yat C works on all your devices in high quality.