Yes.
no it must be done either with xbox live or system link. Because it wouldn't be fair.
Yes
No unfortunately you cant
There are 15 total campaign missions.
I'll help you complete campaign I have beat it before my gamertag is CSI kid
HALO Wars has the most levels. But if you're just talking about the regular first person HALOs, then HALO 2 has the most levels.
You get some bycompleting campaign levels, but in the campaign you can find black boxes that might get you some more of the time lines.
yes one of them is my virtual friends love me (you get it by winning a 3v3 match)
Halo Wars
From what i have found by searching was that it has up to 6 player for xbox live versus and 2 player online campaign
well....i dont really play that game alot but i remember beating the campaign and no cuss words were used
From what I know, there is no Halo Wars on the PC.