Don't Knock Twice is a first-person horror game based on a psychologically terrifying urban legend. To save her estranged daughter, a guilt-ridden mother must uncover the frightening truth behind the urban tale of a vengeful, demonic witch. One knock to wake her from her bed, twice to raise her from the dead. Explore a grand manor house and interact with almost every object you see. To find and save your daughter, you will explore all depths of the manor, searching for hidden clues and using items to fight or escape the terror that surrounds you. The game is based on the film, Don't Knock Twice, starring Katee Sackhoff (Battlestar Galactica) and directed by Caradog James (The Machine).
Best gaming PC for Don't Knock Twice in 2026
Full buyers guide →Below are the four PC tiers we'd actually recommend for Don't Knock Twice today. These are our 2026 hardware picks, not the dated publisher minimums you'll find on Steam.
Budget
£7991080p · 60fps
- CPU
- AMD Ryzen 5 7600
- GPU
- NVIDIA GeForce RTX 4060 8GB
- RAM
- 16 GB
- Storage
- 1TB NVMe SSD
Mid-tier
£1,2991440p · 60fps
- CPU
- AMD Ryzen 7 7700
- GPU
- NVIDIA GeForce RTX 4070 Super 12GB
- RAM
- 32 GB
- Storage
- 2TB NVMe SSD
High-end
£1,7991440p · 144fps
- CPU
- AMD Ryzen 7 9800X3D
- GPU
- NVIDIA GeForce RTX 5070 Ti 16GB
- RAM
- 32 GB
- Storage
- 2TB NVMe SSD
Enthusiast
£3,4994K · 60fps
- CPU
- AMD Ryzen 9 9950X3D
- GPU
- NVIDIA GeForce RTX 5090 32GB
- RAM
- 64 GB
- Storage
- 4TB NVMe SSD
Official system requirements
These are the minimum and recommended specs as published by Wales Interactive on Steam. They tend to be conservative — usually "what ran the game at 1080p when it shipped". For what you should actually buy in 2026, see the tier cards above.
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 64-bit | Windows 10 64-bit |
| CPU | Core i3 / AMD A6 2.4Ghz | Intel i5-4590 / AMD FX 8350 equivalent or greater |
| RAM | 4 GB | 4 GB |
| GPU | NVIDIA GeForce GTX 260 / AMD Radeon HD 5750. OpenGL 3.3 | NVIDIA GeForce® GTX 970 / AMD Radeon™ R9 290 equivalent or greater |
| Storage | 2 GB | 2 GB |
| DirectX | 11 | 11 |
Verified 18 May 2026 against the Steam store page.
Can your PC run Don't Knock Twice?
If your CPU is roughly equivalent to Intel i5-4590 / AMD FX 8350 equivalent and your GPU is at or above NVIDIA GeForce® GTX 970 / AMD Radeon™ R9 290 equivalent, you'll hit recommended settings at 1080p/60. For 1440p or higher, see the tier picks above.