Patent ID: 8496528

Claim:
A controller for controlling a game by a player, the controller comprising: a main body configured to be held by the player; a plurality of operational keys having a cross key, a push button, and a pair of trigger buttons, the plurality of operational keys arranged on the main body, the plurality of operational keys being configured to allow for press-down actuation by the player; a pair of analog sticks configured for direction specifying operations, the pair of analog sticks arranged on the main body; and a switch arranged in contact with the plurality of operational keys, the switch being actuated by press-down actuation by the player; and a plurality of adjustment parts configured for adjusting the key stroke of the plurality of operational keys, the plurality of adjustment parts having a base with a sliding surface and a spacer configured to slide over the sliding surface; wherein the plurality of operational keys, the pair of analog sticks, the switch and the plurality of adjustment parts are configured to adjust the controller to provide an optimal tactile sensation to the player.