Nightmare House 2 Prologue Ending – ESCAPING – Gameplay Walkthrough , Hello Everyone my name is Purpleoak and I bring to you Nightmare House 2. Now this is a Half Life 2 Mod that is really scary. It brings a whole new word to the meaning of horror gaming. This is the end of the Prologue for Nightmare House 2. Plus it’s the beginning of Chapter 1 Rebirth.