A very interesting experiment, but a bit unpolished. Maybe some music would have been useful to increase the immersion a bit, but the lack of it also goes against the standards! I actually restarted the game just to see what was up there at the start. Well, the lack of secrets is also a secret of some sort :D And checking out the waterfall is probably my instinct! Overall, I like your game, it's a short but finished project, it's complete and it was a pleasure to play through it, also such a short form of the game makes the player more focused on everything in the game. Nice work! ♥