A game controller comprising: a housing; a directional input section; and operation sections. The housing has a shape elongated in a predetermined direction, the housing having a primary surface, at least one first side surface, and at least one second side surface. The directional input section is on the primary surface. The first operation section and a second operation section are on one of the at least one first side surface. The third operation section and a fourth operation section are on a corner portion at one end of one of the at least one second side surface.