Which games blow your mind, but only if you know nothing about them in advance?
Best examples I can think of are:
- Outer Wilds
 - Doki Doki Literature Club
 - The Stanley Parable
 
What are yours?
(please no spoilers)
Which games blow your mind, but only if you know nothing about them in advance?
Best examples I can think of are:
What are yours?
(please no spoilers)
What about Portal makes it worth going in blind?
Its something of a mystery game. You wake up in an unfamiliar place and have a nebulous goal.
Letting the clues of the story build is a big part of the experience.