Without a solid game ender like Commander Death, the game could too easilly enter an endless stalemate situation. That said, playing a two hour game...
I don't think we need unit upgrades, but there does need to be a distinct feel as one progressives from early, to mid, to late game. If all we've got...
A circle or hexagon would probably work better for a selection graphic. A hexagon would be especially nice as it would bring up nostolgic...
If asteroids could target a planet, why not another asteroid? Smash them together or just go for the deflect. Now all we need are some planet sized...
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