"Rescure Dr.Yun" is an offline casual and puzzle game inspired by the notion of the "Butterfly Effect" in mathematics. This game tests your mental calculation skills (by doing addition and subtraction equations) and your agile reaction (by dismantling the bombs).

In 2630, the "Butterfly Effect" has become the most popular and cutting edge topic in scientific researches. Dr. Yun, a renowned scientist from China, and his top science team, have worked on this topic for years. One night, Dr. Yun and his team were one step away from solving the mystery, which would make a revolutionary difference to humanity, or even the universe! Humans were about to possess the abilities to predict the future, deducing the evolution of the universe and controlling space and time!

At this very moment, aliens from galaxy M26B47, who have already solved the mystery of the "Butterfly Effect" arrived and kidnapped Dr. Yun in a bid to keep their knowledge secret! What will the people on earth do to save Dr. Yun?