The purpose of this research is to describe the development of a Scratch-based mathematics game on geometric transformations. The study followed the Multimedia Development Life Cycle (MDLC), comprising concept, design, material collecting, assembly, testing, and distribution. Thirty-two prospective mathematics teachers at a university in West Java provided feedback through open-ended questionnaires, supported by interviews and documentation. The Super Geo-bros maze game was developed to present translation, rotation, reflection, and dilation. Of the 192 questionnaire responses across six indicators, 186 (96.9%) were coded as positive, representing favorable perceptions of the game rather than evidence of improved learning outcomes. The operation indicator received the lowest proportion of positive responses (27 of 32). Further research should evaluate the game's usability and effectiveness with junior high school students.
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