You're trapped in a big, box-like room. You have nothing that can help you escape. The best you can do is explore and hope you find something interesting. But don't worry, for such a minimalistic game, Box Life sure is full of fun secrets.
If video games are any indication, the world we live in is filled with dungeons stocked with progressively more difficult enemies and convenient puzzles designed to help us descend further into darkness. Tequibo's Fog and Thunder doesn't try to hide the fact that it's built around the feeling of being lost in a roguelike RPG, but the action-oriented gameplay is different than what you might expect, as it employs light-based mechanics that affect everything from enemies to exits to your own special abilities. Where's a good pair of night vision goggles when you need them?