Painkiller - Overdose Video Game

• GameFAQs: Painkiller: Overdose  - Provides a variety of cheat codes including one that imbues the player’s character with invincibility.
• Gamespot: Painkiller: Overdose  - Contains a review that sheds light into the horror and the old school shooter themes the game is steeped in.
• IGN: Painkiller: Overdose  - Discusses the shooter’s oversimplified run-and-gun gameplay.