intel core 2 quad at 2.83GHz CPU,
Intel Q45/Q43 Express integrated video.
We just released an updated version, care to give it a try ?
works a lot better,
but there is a minor issue with interactivity:
the big closet door requires left-clicking to unlock, but I think it would be better if it requires right-clicking as that's the side you held the required object. (Or have it require the use of "E", as it's an interaction not an object pickup)