This document discusses how to design effective museum games. It provides guidelines for museum games through the TEMA framework: games should be Tested to ensure usability, Exciting to engage players, Meaningful by relating to the museum's content, and Accessible to all visitors. Examples are given of games that follow these principles, such as a storytelling board game tested at a historic site. The document emphasizes playtesting games with both museum staff and visitors to improve the design and understand user needs.