Fully visible, but passage is barred by clockwork gates that only open on their own beat.
A pocket-sized 25×25 ridge, visible all at once — but the ground behind you catches fire.
Two genuinely different 25×25 mazes, white and black, sharing one swap timer.
A pocket-sized 25×25 marsh — the ground you started on fills with toxic gas behind you.
Static closes in from the edges toward the center, permanently — costs your view, never your route.
The original. Navigate by memory through the fog and find the exit.