Horror games as good as Amnesia?

[Traggey]

When me and my friends played Amnesia, it was the best horror game we'd ever seen. After completing it, it's as if there's a hole now. Every other horror games seems lame compared to Amnesia.

What are some good psychological horror games similar to Amnesia?

Play the penumbra series, other than that, nothing can really even attempt to match Amnesia as of yet.