Hello! I played on Vive headset with Index Controllers on a 1070 GPU.
The idea is very cool - nice match of the theme and a neat little puzzle game. My computer really struggled with the frame rate though, which did make it hard to play. SteamVR was showing anywhere between 22ms to 34ms (so, all red). The target my computer wanted to hit was 11ms. We struggled with performance on our game and didn't find out until after the jam that we had anti-aliasing turned on. It looked like you had it turned off, but something to double check if you want to try to increase performance - lighting also might of played a factor in the performance, hard to say!
I played until the kitchen level but then had to stop due to a headache forming (cause framerate and smooth locomotion).
Fun fact - we're also utilizing the VR Expansion Plugin! I noticed I could only grab with my left hand in your game, I don't know if that was intentional or not, but just wanted to let you know.
Overall, neat little game! Very well done.