Abstract:
This research aims to produce a valid, practical and effective android-based puzzle adventure game
media to improve students' critical-thinking skills in the accounting subject with the taxation subject
matter. This research is a research and development using the ADDIE development model covering
the stages of Analysis, Design, Development, Implementation, and Evaluation. The testing of the
media, learning instruments, materials and critical-thinking skills were conducted on the eleventh
grade of SMK Negeri 1 Juwiring. The trial design of this research used One-Group Pretest-Posttest
Design. The results showed that the average percentage of the feasibility value of the lesson plan is
80.12%, the material 82.9%, the media 89.6% and the critical-thinking skills instrument 87.4% with
the very feasible criteria. The use of an android-based puzzle adventure game media in a small-scale
trial obtains an average score of 86.45% from teachers and students with the very practical criteria.
The Android-based puzzle adventure game media is effective in improving critical-thinking skills,
indicated by differences in students' critical-thinking test results from 78.12 to 89.68. These results
demonstrate that the Android-based puzzle adventure game media developed has valid, practical and
effective criteria for improving students' critical-thinking skills.
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