Microsoft's Major Nelson has announced multiple XBLA titles that are discounted on Xbox Live this week, grouping those titles that have a distinct earthy-feel.
Worms 2: Armageddon, Earthworm Jim HD and Band of Bugs are currently listed as 400MP, while Centipede & Millipede has been reduced to 200MP. The discounts last until next Monday, December 6. Get them stacked and racked into your Xbox 360 download queue by clicking through on the links.