Navyfield
An incredible online MMOTSG(Massively Multiplayer Online Tactics Simulation Game) by SD Enternet. In it, opposing fleets of realistic WWII ships battle each other for supremacy. Up to 128 players can be in each battle, in teams of up to 64.

Intro:
"Be prepared to experience intense naval battles against large teams of real opponents from across the globe. To help you on your quest to be the ultimate commander of the sea, almost 100 different WWII era naval vessels are available to use. Start with a humble frigate as you gain experience and points for superior classes of ships including: destroyers, battle cruisers, and aircraft carriers. Each model reproduced in painstaking detail. Equip your vessel with a massive selection of historically accurate naval guns, torpedo launchers, Fire Control Systems, engines, and armor."
Typical game room chat in Navyfield:
Impatient Gamer 1: "Host, GO!"
Impatient Gamer 2: "GOGOGOGOGOGOGO!!!!!!"
Host:"One more CV and one more BB, then we go."
Guy in need of stuff:"WTB lvl 56 KM Gunner"
Awed Noob who is about to get owned:"How long did it take to get that battleship?"
Bored guy with battleship:"6 months"