Dave Made a Maze

Dave Made a Maze is a 2017 American fantasy adventure comedy horror film directed by Bill Watterson, and starring Nick Thune, Meera Rohit Kumbhani, Adam Busch, Kirsten Vangsness, Stephanie Allynne, James Urbaniak and John Hennigan. The film centers on the titular Dave who builds a cardboard fort that somehow supernaturally houses an entire labyrinth full of deadly traps and creatures. It premiered at the Slamdance Film Festival on January 21, 2017, where it won an Audience Award for Best Narrative. It was released on August 18, 2017, by Gravitas Ventures.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.