Down the Hatch, originally $0.99, is today's free app. A cool free-falling game where your tilt your phone or tablet to help Stinky the Imp eat as many donuts as he can before he hit the ground, while avoiding enemies at the same time.
Happy Friday, people! Captain Fishblock, originally $0.99, is today's free app. This is a physics-based puzzle game where you must drop ice blocks shaped like Tetris pieces containing fish into your rickety boat within the time limit without tipping the boat over.
Castle Doombad, originally $2.99, is today's free app. This is a tower defense game themed around defending a haunted house. Sounds very original, and comes from Adult Swim, so you know this is going to have entertainment value.