x C    PicBl    ©1981, CART1, black border around CX2609, space ship totally visible
x R    PicBl-p    ©1981, CART1, black border around CX2609, space ship totally visible, EL: small “p” printed on right, PAL
x U    PicBl    ©1981, CART1, no border around CX2609, space ship's top wing is cropped off
x R    PicBl-p    ©1981, CART1, no border around CX2609, space ship's top wing is cropped off, EL: small “p” printed on right, PAL
x R    PicBl-p    ©1981, CART2, no border around CX2609, space ship's top wing is cropped off, EL: small “p” printed on right, PAL
x R    PicBl-p    ©1981, CART2, black border around CX2609, space ship totally visible, EL: small “p” printed on right, PAL
x R    PicBl-p    ©1981, CART2, black border around CX2609, space ship totally visible, ML: TYPO “© 1981 ATRRI”, EL: large “p” printed on right, PAL, grips on side of cart
x R    PicBl    ©1985, CART?, black Atari logo and “CX2609”, “Atari, Corp”, space ship’s top wing is cropped off
   R    PicBl    ©1986, CART3, no “Use with…”, black Atari logo and “CX2609”, “Atari, Corp”, space ship’s top wing is cropped off , EL: dark blue “Defender”
   R    PicBl    ©1986, CART3, no “Use with…”, black Atari logo and “CX2609”, “Atari, Corp”, space ship’s top wing is cropped off , EL: regular blue “Defender”
x R    PicBl    ©1986, CART3, no “Use with…”, ML: dark blue “Defender”, black Atari logo and “CX2609”, “Atari, Corp”, space ship’s top wing is cropped off , EL: ?
x R    PicBl    ©1986, CART3, background is bright blue instead of black, ML: “Defender” in red, EL: “Defender” in white
x R    Picred1    ©1981, CART?, Hong Kong, ML: “CX2609P”, EL:?