whats the single player like? i don't have live so thats all i'll be playing.
i did like the first modern warfare so is it an improvement from that?
I haven't played single player yet, only observed others playing it. The single player does look excellent but I hear it's very short, maybe only taking 6 hours to complete or so. If I were you, I'd just shell out for Xbox Live definitely as there is a reason MW2 single player doesn't last long, probably because online is where it's at.
Somewhere in the COD:MW2 thread, there's a promotional code for very.co.uk - which knocks £25 off of your first purchase. You could essentially buy a 1 year subscription to Xbox Live for about £12, or along those lines anyway. Well worth looking into it.
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As for kill streak, I've been playing on 2 different accounts at different houses, I've reached around 10 I believe. Although it's slightly less than that I think on my own personal account, probably about 5, but saying that, I've only had about 6 matches on my own account. Loving it so far though.
My record on COD4 was around 24 I believe, but I'm not sure for WaW as I never really played it much.