Links and other resources
You can find more information on Ballblazer on these other sites.
AtariAge (Atari 7800)
Overview of Ballblazer for the Atari 7800.
Atarimania (Atari 400/800)
Overview of the Atari 8-bit version of Ballblazer.
Additional information on the Commodore 64 version of Ballblazer.
MobyGames has additional information on the various releases of Ballblazer.