Rising Storm from Tripwire Interactive shifts the battle to the Pacific Theater of World War II.
The Asymmetric warfare allows the Japanese to use extra tactics against the more heavily-armed American troops. The hand-portable knee mortar, booby-traps and the ultimate Banzai charge countering the machine-guns and flamethrowers of the US forces.
The game can be picked up through Steam for $19.99 (USD) but with a nice discount if you already own Red Orchestra 2: Heroes of Stalingrad.
Our initial review score is "more fun and better polished than Red Orchestra 2 was at launch!"