There are some pre-order offer for Darksiders is going around. Many well known retailers are offering an additional game with it free of cost.
Here is the detail of what you get if you pre-order Darksiders from the following retailers:
- Steam: Titan Quest: Gold Edition
- Direct2Drive: Red Faction Guerrilla
- Gametap: Company of Heroes
Darksiders comes out on PC on September 23.