脳力王：家族で発想クイズ

Brain King is a quick, family-friendly brain teaser quiz game.

Play short rounds of riddles, logic questions, shape puzzles, and picture-clue questions. The rules are simple: read the question, choose an answer, and learn from the explanation.

Features:

• Daily 10-question challenge
• Practice by category
• Two-player battle on one device
• Streaks, best score, accuracy, and review history
• English and Japanese auto-switching
• Offline play with no account required

It is easy to start, quick to replay, and built for repeated daily practice. Play alone, compare scores with family, and keep sharpening your brain.