The Caligula Effect: Overdose is a role-playing game set in a virtual world called Mobius. In this world, people are trapped in a never-ending cycle of life and death, reliving their high school years over and over again. The player assumes the role of a high school student who becomes aware of the true nature of Mobius and sets out to escape.

In terms of gameplay, The Caligula Effect: Overdose features a real-time combat system in which players can control up to four characters at once. Players can choose from a variety of character classes, each with their own unique abilities and playstyle. The game also features a deep character customization system, allowing players to create and customize their own character.

The game’s story is a central part of the experience, with players able to interact with and form relationships with a variety of characters as they progress through the game. The Caligula Effect: Overdose boasts beautiful graphics and a distinct art style, with a colorful and vibrant world that is fully realized and immersive.

The game’s story centers around the player’s journey to escape the cycle of life and death and uncover the true nature of Mobius. Along the way, players will encounter a variety of characters, each with their own unique personalities and stories, and can form relationships with them to help guide their journey.