It so happened that you found yourself on the edge of a mysterious forest. You took a step beyond the fence. Bam! The doors slammed shut, and you need to get out.
The quest Mysterious Forest Escape is a not-so-difficult online puzzle with a minimal number of locations. You need to collect items, solve riddles, and with the help of the found stuff, try to get out of the forest.
And by the way, this game is not Flash, but HTML5, so you can play it not only on a computer but also on a mobile phone and even a tablet. And you can do it for free without registration!