HL2 is one of the top 5 most influential games. I think Duke Nukem 3D was one (first good multiplayer), Witcher 3 is another (one of the most immersive, story d

HL2 is one of the top 5 most influential games. I think Duke Nukem 3D was one (first good multiplayer), Witcher 3 is another (one of the most immersive, story driven), the Elder Scrolls series and I am finding it very difficult to name the 5th, but HL series was great for its time.