#50 This First Person Shooter which involves some platforming was somewhat overshadowed when it first released.
Hint 2: There is a level in which you use time travel to navigate through a destroyed lab.
#48 This is the third game in this Franchise which hadn't seen a new entry for many years.
Hint 2: In this game you travel to various location around the world.
#47 A 3d platformer in which you collect "Time Pieces".
Hint 2: It was developed by a small indie studio.