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The Steam daily deal for 7/25/13 is the Puppygames Ultrabundle on sale for $75% off.
Ultrabundle = $7.49 – includes below:
Droid Assault = $2.49
Revenge of the Titans = $2.49 75% off
Revenge of the Titans: Sandbox Mode = $1.24
Revenge of the Titans: Soundtrack = $0.24
Titan Attacks! = $1.24
Ultratron = $2.49