This manual contains solutions to the exercises in A Course in Game Theory by Martin J. Osborne and Ariel Rubinstein. (The sources of the problems are given in the section entitled “Notes” at the end of each chapter of the book.) We are very grateful to Wulong Gu for correcting our solutions and providing many of his own and to Ebbe Hendon for correcting our solution to Exercise 227.1. Please alert us to any errors that you detect.