According to Xbox Live's King of Ping, Major Nelson, Eets: Chowdown struggled in its first week on Arcade, failing even to topple crud like Teenage Mutant Ninja Turtles. Presumably that's because it has a rubbish name (I doubt Halo would have sold five million copies if it was called Skyhole: Floodpoker). It certainly isn't because it's a bad game.
A bit like a cross between Lemmings and legendary downloadable PC game Bridge Builder, this is a puzzle game where you help a little cartoon character called Eets through a 2D platform sequence by placing springboards, explosives and other objects, activating them when he wanders past, and often taking advantage of the game's carefully considered physics to propel him through the goal - all without ever taking direct control of Eets himself.
The goal in this case is a beaming jigsaw piece, which sits at one end of the static 2D platform level you're presented with while Eets (for it is he) is suspended, unmoving on the opposite side of the screen. Your job in this "build" phase is to reach into the toolbox and then use a PC-mouse-style pointer to position objects around the level. Some tools and items, like explosive minecarts, are then associated with a button so that you can activate them later. Other, unfixed items, like sweets, simply hang in the air, waiting for the physics to kick in.