Trials Fusion and Red Faction: Armageddon go free through Xbox Games with Gold

[Windows Central]

We're half of the way through August, which means it's time for more free Xbox Games with Gold.
The second pair of free Xbox Games with Gold for August are now available. Starting today, Xbox Live Gold subscribers can pick up both Trials Fusion and Red Faction: Armageddon for free.
Typically available for $20, Trials Fusion is described as a platforming racer. The goal is to tackle a virtually endless array of tracks filled with obstacles and ramps. From the description:

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