Penelitian ini bertujuan untuk menghasilkan multimedia permainan interaktif pembelajaran berhitung yang layak bagi anak diskalkulia usia prasekolah. Penelitian pengembangan ini mengacu pada langkah pengembangan multimedia Alessi & Trollip mencakup tiga fase pengembangan yang meliputi perencanaan, perancangan, dan pengembangan. Subjek uji coba dalam penelitian ini yaitu dua orang ahli media, dua orang ahli matematika, dan sembilan anak diskalkulia usia prasekolah. Hasil penelitian berupa produk multimedia permainan interaktif pembelajaran berhitung bagi anak diskalkulia usia prasekolah berupa permainan puzzle dan logika yang dikemas dalam bentuk compact disc (CD) dengan menggunakan software Adobe Flash CS3. Multimedia permainan interaktif terdiri dari dua area permainan, yaitu area visual-spasial yang mencakup permainan geometri, klasifikasi, dan simbolisasi dan area sekuensial yang mencakup permainan prosedur, korespondensi, dan bilangan. Multimedia permainan interaktif dinilai  sangat layak berdasarkan hasil penilaian ahli media 88,33% dan ahli materi 91,6% serta berdasarkan hasil penilaian respon pengguna 85,18%.Kata kunci: multimedia permainan, berhitung, diskalkulia, prasekolah DEVELOPING INTERACTIVE MULTIMEDIA GAMES OF MATHEMATICS TEACHING TO PRESCHOOL DYSCALCULIC CHILDRENAbstractThis research aimed to develop interactive multimedia games of mathematics learning that was eligible for preschool dyscalculic children. This developmental study refered to the multimedia development phase suggested by Alessi & Trollip consisting of: planning, design, and development. The testing subjects consisted of two media experts, two mathematics experts, and nine preschool dyscalculia children. The results of the study was interactive multimedia games of mathematics learning for preschool dyscalculic children in the form of puzzles and logic games packaged in a compact disc (CD) form using the Adobe Flash CS3 software. The interactive multimedia games had two game areas, consisting of visual-spatial area that consisted of geometry, classification, and symbolization games and sequential area that consisted of procedure, correspondence, and number games. The interactive multimedia games were considered very eligible based on the results from the media experts 88.33% and from the subject matter experts 91.6% and based on the results from user’s responses 85.18%.Keywords: multimedia games, mathematics, dyscalculia, preschool