Clair Obscur: Expedition 33 has a total of 3 main Acts, preceded by a Prologue set in Lumiere. The Acts focus on different characters and parts of the story:
- Prologue: Set in Lumiere, introducing the world and the cursed number.
- Act 1: Gustave – The first main act where Gustave searches for survivors after an attack.
- Act 2: Verso – Continues the expedition under Verso's leadership.
- Act 3: Maelle – The final main act where the team prepares to defeat Renoir.
There is also an Epilogue, but it is considered part of Act 3 or occurs after it, with fewer objectives than the main acts
. In summary, the game has 3 Acts plus a Prologue and an Epilogue, with the main story structured primarily around these 3 Acts