Brain Teaser is a Vietnamese quiz game with thousands of challenging questions, IQ tests, and general knowledge quizzes to help you relax and improve your thinking skills every day. Diverse question library: • Brain teasers, trick questions, and unexpected riddles • General knowledge, culture, and history quizzes • Science, logic, and IQ questions • Life skills and useful tips ### Key Features: • Free quiz game, easy to play, suitable for all ages • Thousands of IQ quiz questions updated continuously • Trains brainpower, logical thinking, and quick reflexes • Daily brain teaser challenges • Online leaderboards, compete with friends ### Game Modes: • Super Brain – 10 questions focusing on knowledge and logic. • Unlimited – Answer continuously, break personal records. Just a few minutes a day to solve puzzles, improve your IQ, and expand your knowledge. Download Brain Teaser – A free brain-teasing puzzle and IQ test game.