Both games will cost 1200 Microsoft Points – or just over 10.
Stubbs is regarded by many as somewhat of a forgotten classic. Developed by Wideload Games, a studio headed up by ex-Bungie members, the title is based on the Halo game engine.
Gauntlet: Seven Sorrows revisits Midway's classic coin-up franchise, giving it the modern RPG treatment.
Other titles currently available through Xbox Originals include Ninja Gaiden Black, Fable, Psychonauts, Fahrenheit and Halo.