Ubisoft has been promoting their uPlay loader by providing a bunch of classic games to get the client preloaded. Ubisoft still sells games on Steam but they are now being installed into uPlay..
Until December 18, they are providing a bundle of 7 additional games.
At present you can get 7 games:
- Prince of Persia: Sands of Time
- Tom Clancy’s Splinter Cell
- Rayman Origins
- The Crew
- Beyond Good & Evil
- Far Cry 3: Blood Dragon
- Assassin’s Creed 3
The games are installed into the uPlay client, they are free to play.