"Chapters in Game Theory" was written to mark the occasion of the 65th birthday of Stef Tijs, who is regarded by many as the "godfather" of game theory in the Netherlands. The contributors all are indebted to Stef Tijs, as former PhD students or otherwise. The text contains 14 chapters on a wide range of subjects. Some of these can be considered surveys while other chapters present new results: most contributions can be positioned somewhere in between these categories. The topics covered include: co-operative stochastic games; nonco- operative stochastic games; sequencing games; games arising from linear (semi-) infinite programming problems; network formation, costs and potential games; potentials and consistency in transferable utility games; the nucleolus and equilibrium prices; population uncertainty and equilibrium selection; cost sharing; centrality in social networks; extreme points of the core; equilibrium sets of bimatrix games; game theory and the market; and transfer procedures for nontransferable utility games.