Sales for Sony Corp.'s Playstation 3 were stable in the latest Japan retail data.
Amazon.com this week began offering Killzone 2 at $54.99 after a coupon discount.
Best Buy this week sold out of the Xbox Live 12-Month Gold Card to online customers after a discount to $29.99.
Microsoft this week released the Halo Wars demo to Xbox Live.
Sales for Nintendo Co.'s Wii fell this week in the latest Japan retail figures.
Sega of America Inc. this week said it will release Let's Tap to Wii. The new title allows players to place the Wii Remote on a surface and tap the surface to interact with the game.