Xbox 360 fan favourite Alan Wake is now available to download and play on Xbox One.
Microsoft has also added Castlevania: Symphony of the Night and Pac-Man to its backwards compatibility service.
Alan Wake arrives ahead of its developer Remedy's upcoming Xbox One exclusive Quantum Break.
All copies of Quantum Break come with a download of Alan Wake included, although if you own Wake already (or don't want Quantum Break and want to pick up Wake separately) you can download it now. It costs Ł14.99.
Alan Wake appears in Quantum Break via an in-game TV show - which has sparked new discussion about a sequel.
Castlevania: Symphony of the Night launched to a 9/10 review from Simon Parkin, who noted its "extraordinary scope and transcendent elegance mostly unmatched elsewhere on Xbox Live Arcade, or anywhere else for that matter". It costs Ł6.75.
The Pac-Man in question is the original 2006 XBLA release - which is priced at Ł3.39, if you don't own it already.