Go to Ebay
the best place to buy halo wars for cheap is disc replay
about $500
Halo Wars will cost $60 at launch for the standard edition, with special editions costing extra.
You can't buy Halo Wars with Microsoft points.You have to use real money.
Depends on where you buy it. Different places have different cost. But if you want cheap, I suggest Ebay because my mom is a seller on there and most stuff she buys from there is cheap. It's an online store if you don't know what it is.
eBay.
I don't know but it costs 19.99 at bestbuy. (woot!)
Play as Prof. Anders.
Halo wars is unavailable in ps3 as it is a Microsoft game so it is only avalaible in xbox360.
Halo Wars is only worth about 10 bucks brand new, pretty crap game though
Halo Wars
From what I know, there is no Halo Wars on the PC.