Video Checkers Cartridges version a)* C 3rd txt ©1980, CART1, red letters, medium ® version b)* R 3rd txt ©1980, CART1, purple letters, medium ®, ML: “CX-2636-P”, PAL version c)* U PicBl ©1978, CART1, red letters version d)* R PicBl-p ©1978, CART1, red letters, EL: “p” printed on right, PAL version e)* R PicBl ©1986, CART2, ML: yellow letters, no Atari logo, Typo: “use with paddle controllers”, EL: red letters version f)* R PicBl ©1987, CART3, ML: yellow letters, no Atari logo, no “use with…”, EL: yellow letters |