Clair Obscur: Expedition 33 consists of 3 main Acts, preceded by a Prologue set in Lumiere. There is also an Epilogue, but it is considered part of Act 3 due to how it is presented in the game. The Acts focus on different characters: Act 1 centers on Gustave, Act 2 on Verso, and Act 3 on Maelle. The Prologue introduces the story in Lumiere before the main Acts begin

. Summary:

• Prologue: Lumiere
• Act 1: Gustave
• Act 2: Verso
• Act 3: Maelle (includes the Epilogue)

Thus, the game has 3 Acts in total, plus a Prologue and an Epilogue integrated into Act 3