Nightmare House: The Original Mod
Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.
Estimated lifetime revenue
Free-to-play
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
Est. players
74.1K
people who own it
Reviews
2.7K
Review score
96%
9.6/10
Concurrent players
16
read Sep 19, 2026, 15:00 UTC
Followers
About
About the game
Enter the haunting world of Nightmare House. This is the definitive edition of the highly acclaimed horror classic "Nightmare House 2".
Initially released in 2010 as a Source mod for Half-Life 2, the Nightmare House series captivated players with its intense atmosphere and gripping gameplay.
After fighting your way through an abandoned house, you wake up in the teared down, ironically named hospital ‘Never Lose Hope’. As you navigate these eerie halls, encounter terrors and enemies, team up with otherworldly allies and try to survive the unending hordes of horrors coming your way. If you manage to pull through, you might finally escape.
Initially released in 2010 as a Source mod for Half-Life 2, the Nightmare House series captivated players with its intense atmosphere and gripping gameplay.
After fighting your way through an abandoned house, you wake up in the teared down, ironically named hospital ‘Never Lose Hope’. As you navigate these eerie halls, encounter terrors and enemies, team up with otherworldly allies and try to survive the unending hordes of horrors coming your way. If you manage to pull through, you might finally escape.
Key Features
- The Full Package: Combining the original “Nightmare House 1”, its sequel “Nightmare House 2”, and “The Lost Files” into one accessible complete game. For free.
- Legacy of Horror: An old school horror game that became a cult classic. Rather than cowering from the terrors, fight back against the jump-scares. If you've yet to experience classic Source horror - this is probably the best way to begin.
- Lost And Confused: You are trapped in Nightmare House, with a haunting ghost following your every step. She’s out to get you, but you must get out of here. Never Lose Hope.
- Auto Scare System: Engineered to catch you off-guard, this system delivers dynamic scares to ensure you're never truly safe.
Genres
