I played that game in Berlin in the late 90s. There were four such pods, iirc, and you could see the other players. The frame rate was about 5 frames per second, so it was borderline unplayable, but it was fun nevertheless.

Later, I found out that it was a game called ”Dactyl Nightmare” that ran on Amiga hardware:

https://en.wikipedia.org/wiki/Virtuality_(product)