Going along with what Angelus said I won't count games that you can also get on last gen.
1. Final Fantasy XV
2. Star Wars: Battlefront
3. Witcher 3
4. Mirrors Edge
5. Halo 5/Halo 2 anniversary
Sorry I listed 5 games since every game I want or I'm really hyped for don't have a release date. (I'm sure all of them are 2015 though except Halo 2 anniversary)