Complex sentence: In addition, some objects and boss weak points that were destructible on easier difficulty levels will become indestructible on normal and hard mode, making the game a challenge to many experienced game players familiar with shooters.
Split into simpler sentences: In addition, some objects and boss weak points that were destructible on easier difficulty levels will become indestructible on normal and hard mode. This game will be a challenge to many experienced game players familiar with shooters.