The Past Within | Free

: Features unique puzzles and a self-contained scenario that is different from the full game .

: Includes a feature to replay from the opposite perspective with fresh puzzle solutions.

This free version serves as a demo to introduce players to the game's unique co-op mechanics without spoiling the main story. : Lasts approximately 15 to 30 minutes .

The full premium game expands the experience with deeper lore and more complex puzzles. : Typically takes around 2 hours to complete.