http://www.rockpapershotgun.com/2011/01/18...over-announced/
"Massive multiplayer â Customizable modes range from simple deathmatch-style free-for-alls to epic, ongoing 128 player battles that can last hours, days, weeks, or even longer. "
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I bought the original IL-2 games over Christmas and have them installed though I have not spent a lot of quality time with them (yet) IL-2 is rated a the water mark of fight games but limited multiplayer. Cliffs of Dover might be cool.