Wii Warm Up: Best online?

If Nintendo's got a weak point, it's the online capabilities of Wii games. Compared to other services, online gaming for Nintendo fans is definitely lacking, but at least these days, we actually have a few games that are online. It's an improvement! Which Wii game do you think has the best online mode, though, and why? Is that good enough?

This article was originally published on Joystiq.