In a post-apocalyptic Earth, a resourceful scavenger and a guilt-ridden scientist uncover the truth about a catastrophic event, only to discover that an alien invasion threatens humanity, and they must use advanced technology to save the world.
Protagonist: A resourceful scavenger surviving in the harsh post-apocalyptic world, determined to uncover the truth about the catastrophic event; Deuteragonist: A brilliant scientist with knowledge of advanced technology, seeking redemption for their role in the event and hoping to restore the world.
Event 1: The protagonist discovers a hidden underground facility that holds the key to the truth about the catastrophic event, but must navigate through dangerous obstacles and confront their own fears to uncover the shocking truth.
Ending: The protagonist and deuteragonist work together to activate the advanced technology in the underground facility, revealing the truth about the catastrophic event. They learn that the event was caused by a failed experiment conducted by the deuteragonist, who is consumed by guilt. Together, they use the technology to begin restoring the world and bring hope to the remaining survivors.
Twist: The protagonist discovers that the catastrophic event was not caused by the deuteragonist's experiment, but by an alien invasion that the deuteragonist was trying to prevent. The advanced technology in the underground facility holds the key to defeating the alien threat and saving humanity.