As an "Overdose" edition, the game includes significant content not found in the original: The Caligula Effect: Overdose
Certain choices can lock you out of content or character endings.
This system is cerebral. Fights are less about grinding levels and more about solving a puzzle: How do I arrange my team's timings to stun-lock the boss?
The Caligula Effect: Overdose is a game that is highly recommended for fans of psychological thrillers and role-playing games. The game's unique blend of gameplay mechanics, and thought-provoking themes, make it a standout title in the genre.