Red Dead Redemption was the most-requested game to receive backward compatibility for the Microsoft Xbox One, but the title has been dethroned by Call of Duty: Black Ops II.
The top 15, as reported by GameSpot:
1.Call of Duty: Black Ops II
2. Red Dead Redemption
3. The Elder Scrolls V: Skyrim
4. Call of Duty: Modern Warfare 2
5. Halo: Reach
6. Call of Duty: Black Ops
7. Gears of War 3
8. Fallout 3
9. Call of Duty 4: Modern Warfare
10. Call of Duty: Modern Warfare 3
11. Mass Effect 3
12. Call of Duty: World at War
13. BioShock Infinite
14. Fallout: New Vegas
15. Left 4 Dead 2
The following six Call of Duty games are in the top 12 requested so far: Call of Duty: Black Ops II, Call of Duty: Modern Warfare 2, Call of Duty: Black Ops, Call of Duty 4: Modern Warfare, Call of Duty: Modern Warfare 3, and Call of Duty: World at War.
Allowing gamers to vote gives Microsoft a better perspective of what Xbox 360 game titles want to play on the Xbox One - and with Microsoft hoping backward compatibility helps spur additional sales, it looks like they are listening.