The downloaded version doesn’t run for me, but perhaps that’s because I’m running it under Wine on Linux. I got the web version to work by making the window full size, and figured out that I needed to control the characters with WASD to run away from the monster. It might be worth mentioning that on the game page.
After several rounds, though, I haven’t found any additional content, just streets branching in different directions. Is there more to see? Does it get to a visual novel-type scene eventually?