expired Demigod (PC Game) 75% off with coupon (US$4.99 ~ AUD$5.50)
This was posted 3 years 1 month 22 days ago, and might be an out-dated deal
Just got an email from Impulse offering a unlimited use coupon for 75% off the normal price of the downloadable version of Demigod.
Some initial teething problems with the game upon release, but overall a decent game for the money.
Requires the installation of Impulse software (http://impulsedriven.com) to download and update the game, but otherwise it is DRM free.
Here's a local price comparison: