The Forest of Torn Dreams

A group of teens have a sleepover for a birthday party. They decided they wanted to do a more fun thing, and decided on a game of hide and seek. Not just any game of hide and seek, but hide and seek in the forest of torn dreams. A special character finds them and decided to give them hard-thinking tasks to get out. If they fail to pass those tasks, they will all be brutally murdered one by one.
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"Run, run if you dare, the peculiar man said to them. They all didn't move and stayed in place, watching him. He gently shakes his head and starts morphing into a unknown species similar to a dog. They all start running, Except for one.