If you like horror games, A Chair in a Room & The Exorcist VR are good choices.
I’m not an expert myself on this genre, because I shit my pants every time I try xD
If you ask for other games aside from horror, I recommend:
Well as folks are preparing for pimax headset arrival. I don’t see any issue with it being in this category as I am sure these will be what folks load up. Lol
I too am a horror fan. In addition to what has been mentioned, Try Organ Quarter. It’s very close to silent hill in play style. Alien Isolation if you have really big balls. just be sure to wear an adult diaper, you are likely to soil it. Sisters is great for some quick jump scares, if you browse thru Steam there are plenty more. Ethan Carter is also a very good game but has pretty stiff GPU requirements. It looks awesome though. These should get you started.
I would recommend
1-Pavlov for the multiplayer experience
2-Chronos for the sit down 3rd person experience (kind of like a Zelda game)
3- Robo Recall (it is so well done)
4- knock out league (you will get a great workout and this will be the first game you will show to your friends that come over)
For me… “Richie’s Plank” is the first VR experience I make people try… An elevator that takes people many stories up and when the door opens there is a “plank” they have to walk… it’s actually well done and I get a good laugh watching them trying to walk this narrow wood plank way up in the air!!! If by some chance they get to the end, a good push usually gets a scream!!!
I have done that, but a word of caution - be prepared to catch and possibly man-handle the person should they lose their balance because of your push. Also not a bad idea to have some cushions around.