An in-game video game editing system and method is provided. An electronic processor executes a game software application to generate, on a display, a graphical gameplay interface including a plurality of sprites and a graphical editing panel listing predetermined modifications. The electronic processor receives a selection of one of the predetermined modifications ad determines a type of the predetermined modification. The type indicates whether the predetermined modification includes adding a new sprite or selecting an existing sprite. Based on the type, an existing sprite is selected from the graphical gameplay interface. The electronic processor then adds a block of code to the selected sprite based on the predetermined modification to generate a modified sprite, and executes the block of code to provide the modified sprite on the graphical gameplay interface.