GameAgent.com is running a promotion where you can gnab and download 2005's Stubbs the Zombie for FREE. Simply click to download the game, then toss in the code 'ASPYRTHANKS' to replace all the 9's with 0's.
Originally released in 2005, Stubbs the Zombie in Rebel Without a Pulse made news because it was a creative action game from the same minds that originally worked on Halo. In case you missed it back then, GameAgent is currently running a promotion on the downloadable PC version of the game – they’re giving it away completely FREE of charge.
Go to the Stubbs the Zombie order page and choose to download the game. Use the coupon code ASPYRTHANKS to reduce the price from $10 to FREE. After that, just finish check out to get your download link and serial number.