Seoul, Busan, Daegu, Daejeon take ~ Aha! is a free trivia game available on the Android platform. Developed by SDC Studio, this game falls under the category of Games and specifically the subcategory of Trivia. The program, called "서울 대전 대구 부산 찍고 한국 지리 퀴즈" in Korean, aims to test your knowledge of Korean geography.

The game presents the city name at the top of the screen, and your task is to touch the location of that city on a map. It's a simple concept that challenges your knowledge of Korean cities. The game also includes some tips to help you improve your score, such as keeping your nails trimmed short and using a special pen.

Seoul, Busan, Daegu, Daejeon take ~ Aha! is a great tool for learning and improving your knowledge of Korean geography. It was even selected as a winner in the "Geography Education Apps Contest" by the Geography Education Association of the Republic of Korea. Best of all, the game is completely free to play with no charges or time limits.