It’s less than a month until Nintendo’s newest Wii accessory hits stores in Japan, on a mission to get the nation up and exercising with their home consoles with Wii Fit and its pack-in gadget the Balance Board. With Super Mario Galaxy out of the way, Nintendo will be focussing on it big time, something obvious by the number of video demonstrations it has unleashed unto the world and distrubuted onto the Internet. Other highlights in today’s latest batch of gameplay and trailers includes a developer chat with SEGA about NiGHTS: Journey into Dreams and action from Call of Duty 4: Modern Warfare on the Nintendo DS.

Guitar Hero III - Velvet Revolver Companion Pack Trailer

Guitar Hero III - Foo Fighters Companion Pack Trailer

Mario & Sonic at the Olympic Games - Race and Hurdles Gameplay

Mario and Sonic at the Olympic Games - Throwing Gameplay

Mario & Sonic at the Olympic Games - Splash and Spin Gameplay

Mario & Sonic at the Olympic Games - Table Tennis Gameplay

Mario & Sonic at the Olympic Games - Long Jump Gameplay

Battalion Wars 2 - Online Assault Gameplay

Cars Mater-National - Mike and Sulley Gameplay

Wii Fit - Japanese Jogging Demonstration

Wii Fit - Japanese Rhythm Demonstration

Wii Fit - Japanese Snowboard Demonstration

Wii Fit - Japanese Extended Trailer

Wii Fit - Japanese Demonstration 1

Wii Fit - Japanese Demonstration 2

Wii Fit - Japanese Demonstration 3

Wii Fit - Japanese Demonstration 4

Wii Fit - Japanese Demonstration 5

Wii Fit - Japanese Demonstration 6

NiGHTS - Developer Chat 1

NiGHTS - Developer Chat 2

Call of Duty 4: Modern Warfare - Enemy Camp Gameplay

Call of Duty 4: Modern Warfare - Ambush Gameplay

Mario Party DS - Gameplay Trailer

Footage provided courtesy of GameTrailers and GameVideos.