This week's headliner is 3D Pixel Racing. Here's what Nintendo's official description has to say about it:

Classic 8-bit meets 3D in a race to the finish: Welcome to the first 3D Pixel retro-cool racing game in the world as you challenge up to four friends in crazy race modes. Enjoy the fast arcade action and unlock new tracks and cars. Turn on your headlights and experience the thrill of the night race. Select your favourite car and get ready to burst in the first 3D Pixel championship in the world. Game Modes include: Single Race, Championship, Capture the flag, Hot pursuit, Time trial, Variable weather conditions: Sun, Fog, Rain, Snow.

Here's the weekly update in full:

Anonymous Notes Chapter 1 - From The Abyss: Nintendo 3DS, Nintendo DSi - 2, 200 Nintendo DSi Points

3D Pixel Racing: Nintendo Wii - 500 Wii Points