<![CDATA[The development of an Android-based educational game for reading, writing, and arithmetic (calistung) using Unity was carried out to provide an interactive learning medium for early childhood education. The method employed was Research and Development (R&D) using the Multimedia Development Life Cycle (MDLC) model, which consists of six stages: concept, design, material collecting, assembly, testing, and distribution. The developed game provides three main features: (1) reading activities using three-dimensional (3D) objects accompanied by pronunciation audio, (2) letter-writing activities through a tracing method with a level system and star rewards, and (3) arithmetic activities using interactive fruit images supported by score and life systems. Black Box Testing confirmed that all game functions operated as designed. In addition, User Acceptance Testing (UAT) involving 15 students from KB-TK Al-Ishyar located at Jl. Kisuryo Jati Selatan, RT 22, RW 08, Kedungturi Village, Taman Subdistrict, Sidoarjo Regency showed the application possesses good usability, effectively enhances learning interest and engagement, and was suitable as a supporting medium for developing basic literacy and numeracy skills in early childhood. ]]>
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