Stardock's Impulse game download service is taking the Labor Day holiday to extremes as it puts a number of its titles on sale beginning today and running through the weekend. Those sales inlcude Stardock's own titles such as Sins of a Solar Empire and Demigod who have had their prices cut to just $20 each for the sale.

Other games on sale include CDV's action-RPG Sacred 2 and Ubisoft's historical strategy-sim game Dawn of Discovery. Both have had their prices cut down 50 percent to just $20 for the duration of the sale. World of Goo has also had its priced reduced; it's just $9.99 for the sale.