Amazon is offering a $5 coupon to those who purchase certain digitally distributed PC games and game packs from 2K, Ubisoft or THQ, which can be used on any game listed on its 2012 Editor's Choice Games list.
Joystiq has compiled a list of the bundles and game packs that offer the coupon (offer ends Dec. 31, 2012), which includes:
The 2K Mega Pack
The Desert to Sea Bundle
The WTF Pack
The 2K Strategy Pack
The 2K Shooter Pack
The Storming, Burning, Reflecting, Flaming, Sabotaging Pack
The Darksiders Franchise Pack
The Tantalizing THQ Medley
The Mass Effect Trilogy
Assassin's Creed Revelations
Assassin's Creed Revelations Gold Edition
Assassin's Creed Botherhood Deluxe Edition
Some of the games can be accessed on Steam, others on Origin and some on neither. The coupon can be redeemed from Jan. 1, 2013 on any game in Amazon's Editor's Choice list, which contains titles like Dark Souls: Prepare to Die Edition, Guild Wars 2, Football Manager 2013, Borderlands 2, XCOM: Enemy Unknown, Far Cry 3, Max Payne 3 and many more.