9: A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: T: U: V: W: X: Y: Z

• R: Racing Evolution Xbox
• Rallisport Challenge Xbox
• Rallisport Challenge 2 Xbox
• Rally Fusion: Race of Champions Xbox
• Rayman 3: Hoodlum Havoc Xbox
• Rayman Arena Xbox
• Raze's Hell Xbox
• Red Dead Revolver Xbox
• Red Faction II Xbox
• Red Ninja: End of Honor Xbox
• RedCard 20-03 Xbox
• Reign of Fire Xbox
• Relics: The Absolute Spirit Xbox
• Rent a Hero No. 1 Xbox
• Reservoir Dogs Xbox
• Resonance Xbox
• Return to Castle Wolfenstein: Tides of War Xbox
• Richard Burns Rally Xbox
• Risk: Global Domination Xbox
• RLH Xbox
• RoadKill Xbox
• Robin Hood: Defender of the Crown Xbox
• Robocop Xbox
• Robotech: Battlecry Xbox
• Robotech: Invasion Xbox
• Robots Xbox
• Rocky Xbox
• Rocky: Legends Xbox
• Rogue Ops Xbox
• Rogue Trooper Xbox
• Roll Call (working title) Xbox
• RollerCoaster Tycoon Xbox
• Rolling Xbox
• Room Zoom Xbox
• Rugby 2005 Xbox
• Rugby League Xbox