1Up has put up their a review of Wideload's Stubbs the Zombie. The game pulls a rating of 9.0 out of 10.0 for its humor, style, and solid gameplay.

There are also hints that there may be almost as many things for tricksters to hunt for in Stubbs as in Halo 2. Except instead of skulls, Stubbs has-- well-- hippos.

After you finish the game once, you can play again with small floating hippo icons (similar to the hippo in Wideload's company logo) hidden all over the game world. Walk into these and you'll get commentary from the design team as you go about playing.

Sounds like the first non-Halo game using the Halo engine is doing its heritage proud.