osu! is just one piece of awesome that torments my soul.
A "Let's Play" guy shows off osu!.
So it's basically a free variation Elite Beat Agents for PC, but with a near endless supply of user-generated "beat maps". It's fun and addicting. And I haven't even tried the multiplayer mode yet.
There are beatmaps for tons of songs and it is apeshit awesome. My only annoyances are that the site will regulate how many beatmaps you download within a certain period, and that some of my favorite video game BGMs are near impossible to play unless you're a Jedi (try Crash Twinsanity: Humiliskate beatmap and you'll see what I mean).
This is awesome and I love playing it despite the fact that I lose like 80% health whenever I get processor lag.
Have any of you guys played this?