Starting off was a little tricky, took me awhile to figure out how to find prisoners. But once I caught on, it really put me in the shoes of a prison guard, having to make these kinds of ethical decisions. Maybe having a compass type thing that briefly points to the direction the prisoners are in would be easier to understand. All in all, great job on the game! :)

Really nice game ! 
It's a bit cryptic at first, but in a way which reminded me of A dark room (this).
So even if it can hold back players at first, I don't know if adding clarity would help the game or harm its core atmosphere.

Definitely a game I enjoyed anyway !

Hm, the game is a little hard to play at the beginning as the ground does not offer much indication about how fast you are moving. But I like the look, really nice and simple visuals

Lovely atmosphere and music! I found it a little confusing, but I'm sleepy so that may be my own fault. :P My only real complaint is that I wish the tutorial/story messages didn't interrupt gameplay. I found myself actively avoiding them, to avoid being locked out of moving. :P