Is it OK to feel Halo 1 is the best shooter this gen???

[dsage01]

Halo CER did better than expected in the U.K.
Here are the sales results.
http://www.zeldainformer.com/2011/11/uk-weekly-software-sales-ending-november-19th-mario-and-zelda-chillin-in-the-top-10.html