This research aims to (1) describe the needs for developing interactive game
media; (2) describe the interactive game media development model; (3) describe
the results of the feasibility test for developing interactive game media; (3)
describes the effectiveness test for developing interactive game media. The
subjects of this research were fifth grade students at elementary school
Muhammadiyah Purworejo and elementary school Muhammadiyah Kemiri. The
results of research on the development of the interactive media game "Tebak
Recurrence" in learning Indonesian affix words to improve critical thinking skills,
namely: (1) The need and model for developing the interactive media game
"Guess Relapse" based on Critical Thinking Skills based on the model in this
research, namely the ADDIE model which consists of 5 stages, namely the
analysis stage, design stage, development stage, implementation stage, and stage;
(2) The validity of the development of the interactive game media "Guess the
Relapse" based on critical thinking skills can be categorized as very valid; (3) The
effectiveness of developing the interactive media game "Guess the Recurrence"
based on critical thinking skills is based on the results of students' pretest and
posttest scores. Based on the T test carried out, the results were 12.681 ≥ 2.02108
or tcount ≥ ttable so it can be concluded that there is an influence of the use of the
interactive game media "Guess the Relapse" on students' critical thinking skills.