ALTER EGO is an iPhone game developed by Caramel Column Inc. It is a free game that falls under the Games category. The game is designed for those who want to analyze their personality, have an interest in literature, philosophy, or psychology, and are continuously searching for themselves.

The gameplay involves tapping whispers to gather EGO, which is then used to progress in the story and take personality tests. The game's main feature is in using what you learn in the game to see yourself in a new light. The ending of the game changes based on the choices you make, and your interpretation changes the nature of the in-game world.

ALTER EGO has been created by Maki Ono, with character design by Kai Ito and sound by amiko. The game is a journey of self-discovery that allows players to delve into their psyche and learn about themselves. The game is accessible, direct, and a must-try for those who want to understand themselves better.