Monster Factory is a web series created by Polygon, where hosts Justin McElroy and Griffin McElroy explore character creation in various video games. The show is known for its humorous approach, showcasing the bizarre and often hilarious characters they design. Each episode typically features a different game, allowing the hosts to experiment with the game's customization options. The series highlights the creativity and absurdity of character design, often resulting in unique and memorable creations that entertain viewers while providing insights into game mechanics.