Keystone Cannonball ?-??-83

This is the only known prototype for Keystone Cannonball. Note the misspelling on the end label (Canonball). This version is little more than a movement demo and has a bunch of bugs in it.

That background looks familiar

Ah ha! I knew it!

Believe it or not I'm walking on air...

Coal(TM) coming soon from Activision

That's not right...

A double caboose?

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