It may seem strange, but a San Francisco developer created a game that works directly in the address bar. To play is simple, just open This page and look at the address bar as the game will start instantly.
In the game, the user is represented by the letter ?O? and enemies with the letter ?a?. The left and right keys of the keyboard move the ?O? position, and once near the ?a?, quickly press the space bar to make the enemies evaporate. After getting rid of all ?a?, you can consider yourself victorious. ?