An endless labyrinth with yellow rooms. Flickering lamps and someone’s watchful glances from the dark corners. A few minutes ago, Mark was pedaling his bike through the wet streets of his hometown. And now he finds himself in an unfamiliar, terrifying place. And that place is the parallel dimension—Backstage. No one ends up here by accident. Many wander through the levels for years, fighting monsters and getting out of traps. And they never return to Reality. But Mark intends to find out why he was thrown into this terrible dimension—and to find the way back…