This book includes two hundred mathematical puzzles or arithmetic games, which aim to entertain those who engage with them. It is aimed at people of all ages, as an effort has been made to keep the mathematical knowledge required to solve the puzzles to a minimum. The difficulty level is quite broad. Thus, even elementary school students will find plenty of arithmetic games to engage with. For middle and high school students, there are many puzzles related to the subjects taught in school. The book is divided into three parts: the first part includes the puzzles grouped into various themes, the second part includes the solutions to the puzzles, and the third part includes only the results of the puzzles, so that the reader can refer to it to check if they found the correct answer each time.