Amazon is at it again with an absolutely massive sale on downloadable PC and Mac titles across all genres. Over the course of the next 10 days, you'll see discounts on over 1000 titles, and several custom bundles as well, many marked down to their lowest prices ever.

As always, here are a few choice highlights to get you started, but be sure to peruse the entire catalog. Just note that some of the sales are rotating flash deals that are set to expire every two days, so keep checking back to see what's new. [Amazon]

Don't Die Pack ($9) | Amazon | Ends 5/23. Normally $95. Features Aliens vs. Predator, Binary Domain, Condemned: Criminal Origins, Typing of the Dead: Overkill, and Warhammer 40,000: Space Marine

Metro Franchise Pack ($13) | Amazon | Ends 5/23. Normally $50. Features Metro 2033, Metro Last Light, Metro Last Light: Ranger Mode DLC, and Metro Last Light RPK Weapon DLC.

Rockstar Ultimate Collection ($26) | Amazon | Ends 5/23. Normally $167. Features Bully, GTA IVC, GTA Trilogy, LA Noire Complete, Manhunt, Manhunt 2, Max Payne 2, Max Payne 3, Midnight Club 2

Rockstar Classic Collection ($13) | Amazon | GTA IV, LA Noire Complete, Max Payne 3, Bully, Manhunt

The Walking Dead Season 2 [Online Game Code] ($19) | Amazon | Ends 5/23. Normally $25.

Trials Fusion Deluxe Edition ($30) | Amazon | Ends 5/23. Standard edition available for $15.

Dead Space Franchise Pack ($18) | Amazon

FIFA Soccer 13 [Download] ($5) | Amazon

Final Fantasy XI: Ultimate Collection Seekers Edition [Online Game Code] ($12) | Amazon | Standard edition available for $7

Syndicate/Saboteur Bundle [Online Game Code] ($5) | Amazon | Normally $40

Batman Mega Bundle ($23) | Amazon | Normally $90

Fightin' and Brawlin' Bundle ($25) | Amazon | Features Arkham Origins, Injustice: Gods Among Us, LOTR: War in the North, and Mortal Kombat Komplete

Call of Duty 4: Modern Warfare [Download] ($10) | Amazon

Farming Simulator 2011 : Platinum Edition ($5) | Amazon

Firaxis Strat Pack ($43) | Amazon | Features Civ IV Complete , V Complete, and XCOM EU Complete

Injustice: Gods Among Us Ultimate Edition [Online Game Code] ($8) | Amazon

LEGO The Hobbit [Online Game Code] ($15) | Amazon

Scribblenauts Unlimited [Download] ($5) | Amazon

Scribblenauts Unmasked [Online Game Code] ($5) | Amazon

Ultimate LEGO Bundle ($45) | Amazon | 8 LEGO Games

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