Cool atmosphere! I thought the green lighting did an effective job of covering up the "platform" limitations. There were moments where I thought that I saw something hiding behind the trees, which was pretty effective in building the tension (I'm pretty sure it was just other trees, but it gave me that impression nonetheless).
The turn was well done, and suitably creepy. Good job placing the creatures at the end—they were placed in such a way that it didn't feel unfair.