Don’t wait for October 31st to have some frightening fun. Game retailers Steam and Good Old Games are holding Halloween sales with good discounts on spooky games. Good Old Games features 17 classic titles – such as Gabriel Knight, Alone in the Dark, and Phantasmagoria – for up to 75 percent off while Steam offers a much larger selection – over 150 titles – of new and classic games, including recent cult hit Outlast, at discounts ranging from 20 to 80 percent. Both sales run until November 1st.