In '25' you adopt the role of an unnamed protagonist, whose goal is to collect 25 jewels throughout the 4 levels of the game.

Do not look for more keys than those of moving left or right, as they are the only ones necessary and planned for the development of the game, in which you must dodge many obstacles, in the form of a dinosaur, of red balls (suppose they are fireballs ) or of deadly clock hands.

You finish each level when you take all the jewels distributed by him and reach the doll located at the bottom of the screen.