"Bishōjo" game elements can be present in practically any type of video game, and gameplay in "bishōjo" games varies within the genre. There are still some basic formulas that define the genre. The basic characteristics of "bishōjo" games resemble those of Choose Your Own Adventure books. The basic appearance of a "bishōjo" game consists of an image in the upper portion, a text box in the lower portion and a static background that occasionally changes extending to the edge behind both of the other two areas. The background images are often reused for various scenes and text descriptors are used to help distinguish differences in the surrounding. In most of the games, the player does not see their avatar and instead see the game from a first person perspective. In addition, some games use various techniques, such as the screen shaking, flashing or going black, to give further immersion by demonstrating various conditions. The games' range of sound effects are also used to represent the avatar's eardrums. The characters of these games are less realistic and often limited to only several static facial expression, gestures and occasional eye blinks, of which the former two coincide with the text displayed at the bottom of the scene and are constantly reused.