More hints:
#6
Hint 1: Snow. A lot of it. Occasionally ice as well.
Hint 2: The game is set in Vancouver.
Hint 3: Two mascots and their friends.
#5
Hint 1: Le jeu est en 3D pour la première fois.
Hint 2: You meet a 3000 year old king.
Hint 3: Same franchise as #3.
#3
Hint 1: My signature.