In the meantime, we've got one possible vote for Aegis Project...and I'm eying the sandbox that is Stars Without Number for future reference. So I'm opening that for discussion as well.Aegis
Upside--a cool if gritty meta-arc that does a decent job of replicating some of the more pessimistic anime of the 1980's era. Very simply char-gen. A flexible system that allows for the GM to impose Murphy's Laws of Combat. (Also, the PDF is quite affordable.)
Downside--the system has a few bugs! And it takes some getting used to. Cookie cutter characters with the lifespan of the average mayfly. Book-keeping (for an online game) might be awkward.
Possible change--take the Alien Other out of the rules, and you've got something that could replicate any military-themed mecha show from the period. Just in case we'd rather try something more like Gear Krieg. But some conversion would be necessary, unless we want WWII with AI.
Teach me to look at the book again before opening my big yap! I forgot all about the Second Era, which is Humans fighting Humans instead of Humans versus faceless Aliens. D'oh.Stars
Upside: if you ever played Traveller or Basic D&D, you know enough of this system to play. It's available for free. It's a sandbox, so the players get to be the stars of the show.
Downside: It's a sandbox, which isn't for everybody. It's also kind of deadly.
Muse is after me to do something with Gamma World, which'll be the next
discussion I open. Suffice to say, I've managed to house rule the Origin table so that you'll start by sending me 2 1d100 rolls instead of rolling a d12 and then a d20 or a d8...but since the GW thing won't be adult (probably), it might be offsite.