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From the developer
Official Steam announcements for this game
What’s coming for Nightmare House in 2026
I’ll cut straight to the point: We still have one more update in us for Nightmare House: The Original Mod. Nightmare House goes a long way. Let’s see…2007 Nightmare House HL2 map pack was released (just the house)2010 Nightmare House 2 was released as a full m...
7mo ago
Free game Days Without Incident is out now!
So just last year, we released Nightmare House: The Original Mod for free on Steam. You've probably checked it out if you're reading this post here. It was our little gift to you guys for In Sound Mind's 3 year anniversary, and just in time for Halloween. Now ...
11mo ago
A new playable experience for this Halloween
It's almost October, our favorite month to play a good horror experience. Last year we were just wrapping up the release for Nightmare House: The Original Mod. The Source classic is finally here on Steam. This year, we wanted to celebrate In Sound Mind's 4th a...
About
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.