About Spacebar Clicker Spacebar Clicker is a simple online browser game that focuses on testing your clicking speed and agility. In this game, you are presented with a timer and a single button, which is usually the spacebar on your keyboard. The objective is to click or press the spacebar as many times as possible within a set time limit, often 10 seconds or one minute. Here are the basic game rules for Spacebar Clicker: