I’ve been working on this for a while now. Its not quite finished, but the stuff its lacking is rather ancillary. (Automatic movement rules for solo-play/large numbers of enemies, and some additional types of alien craft) All of the important rules adjustments and new craft are present.
Since I haven’t been able to test some of it yet, posting for feedback seems like a good idea. I’m wondering as to if the robot mode rules are balanced - in most of our tests, my friends have been unwilling to use the third form, and what people think of the new weapon concepts.
The original rules for Instant Thunder are still required to play.