Serious Sam games up to 90% OFF - special Halloween sale

What is your excuse not to have it all?

http://store.steampowered.com/app/41070

http://store.steampowered.com/app/41000

http://store.steampowered.com/app/41014/

http://store.steampowered.com/app/204340

Complete Pack! -90%
http://store.steampowered.com/sub/17410/