It's a testament to Andrew Plotkin's skill as an IF writer that this is my least favorite of his works that I've played so far, and yet I would still highly recommend people experience its tight, disturbing narrative. (and plan to do so, soon).
It's a "one-room" game with no real puzzles nor ability to affect or shape the main narrative, but that's probably the point. The "reality" of your situation and this inevitable illumination of your predicament is superbly crafted.
My gripe is that it didn't impact me as much as others, and I can't explain why. I was more frustrated with trying to understand what was going on and the psychological horror elements never entirely took hold, and the final denouement also added to cognitive confusion (at the expense of an emotional gut punch). That being said, it's such a perfect example of what IF can do when it colors outside the lines, and it's such a short game, I can't imagine there being any reason not to experience it and see how your mileage varies.
Plotkin has created, through details such as the songs that play on your apartment radio to the transfiguring plant in the corner, a very believable world which then compels you to stop believing in it.