Maze Theory is a British video game developer and publisher located in London. It was founded in September 2018. In November 2019, Playstack published their first major project, Doctor Who: The Edge of Time.
On 27 April 2020, BBC Studios announced that Maze Theory would be involved in the multi-platform story Time Lord Victorious. This manifested as an update to The Edge of Time that included a variety of small Time Lord Victorious tie-ins released on 16 November 2020.
On 14 October 2021, they published a sequel to their first game titled Doctor Who: The Edge of Reality.