[tobyhinloopen]

I'd love engines like this :) Are there more? This one doesn't run on OSX & has no multiplayer.

I already tried OpenRA's engine (slow) and SpringRTS (poor OSX support)

[fit2rule]

MOAI can do it.

http://github.com/moai/moai-dev/

[anderspitman]

Openage and 0AD both come to mind