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Sprinkle Islands is free today at the Amazon Appstore
The game usually costs $1.99, but for 24 hours, you can get it for free today from the Amazon Appstore.
Diner Dash Deluxe
and
Toca Builders are free as part of some promo for the Kindle Fire.
SketchBook Mobile is also free today.
SimpleRockets is free today.
Age of Zombies is free at the Amazon Appstore
Edit:
Actually there are some more games free at Amazon today
Zombie Highway (No Ads) by Auxbrain, Inc.
Get them all from here.Quote:
Slender Man! Chapter 1: Alone by Digital Code Works
Ghost RadarĀ®: CONNECT by Spud Pickles
Greedy Spiders by Blyts
Zig Zag Zombie HD (Kindle Tablet Edition) - Zombies, Vampires, Ghosts, and More! by Part Time Evil, LLC
Zig Zag Zombie by Part Time Evil, LLC