Part of today’s video game deal of the day over at Amazom is Warhammer 40K: Space Marine for PC Download for only $24.99 (that’s 50% off the list price of $49.99).

Also, Warhammer 40k: Dawn of War II Retribution Complete Pack for PC Download is on sale for only $29.99 (that’s 50% off the list price of $59.99).

The THQ Ultimate Bundle download is only $59.99 (that’s 70% off the list price of $200.89) and includes the following game downloads:

– Homefront + Maps and Shotgun DLC Pack
– Metro 2033
– Red Faction Guerrilla
– Red Faction: Armageddon + Path to War DLC Bundle
– S.T.A.L.K.E.R.: Shadow of Chernobyl
– Saints Row 2
– Warhammer 40,000: Space Marine

Note, these deals are valid only for today, Sunday, December 18, 2011, until 11:59PM PST while supplies last.

Also, if you order the THQ Ultimate Bundle between now and 12/31/2011, you’ll receive a $5 promotional credit good towards any of the 2011 bestselling Video Game Download like Battlefield 3 or Call of Duty: Modern Warfare 3 in the month of January 2012. (See the “Special Offers and Product Promotions” section of the product page for more details.)

See more details for Warhammer 40K: Space Marine from the product page:

Warhamer 40,000: Space Marine is a third-person Action Shooter in which players accept the role of a Space Marine Captain tasked with the defense of the empire as well as humanity against the Chaos Faction lead by the ruthless Ork hordes. Players will have to use their exceptional size, strength, armor, weaponry and fighting spirit in order to succeed. Features include: a new seamless combat system allowing equally for ranged and melee action, hordes of deadly enemies of various kinds, intense 16-player online multiplayer and more.

– Storm Into Battle – Step fearlessly into the heart of combat as an unstoppable Space Marine. Never hide, never cower, just purge all that stand in your way.
– Unleash Visible Violent Death – Using an innovative, new combat system, switch seamlessly from high-caliber ranged weapons to devastating close-combat strikes. Taking out an enemy has never been so satisfying.
– Experience the Dark Future of Warhammer 40,000 – Jump into a rich universe of awe-inspiring landscapes, deadly enemies, immense battles and ruthless annihilation.
– Take the Battle Online – Form your own Space Marine squad or Chaos Space Marine warband and face off in 8 vs. 8 online matches. Gain experience and unlock new weapons and armor to customize the Devastator, Assault and Tactical Marine classes.