The Prototype

The Prototype is a story-driven game about Masato Gu, a young scholar at Suthermore University who becomes a physicist. After his fiancée dies in a suspicious laboratory accident, Masato spends five years building a time machine, hoping to return to the past and change history. On the night he completes it, he is framed for murder and must clear his name while racing against time. His invention draws the attention of unseen powers, and he seeks the truth about the accident that took his fiancée.

Branching story

Your choices shape Masato’s path through a story of secrecy and betrayal, leading to multiple endings. You investigate what happened and make deductions to piece together the truth.

Investigations and puzzles

You can explore a large map freely, collect items needed for deductions, and find puzzles and clues in the scenes. The puzzles range from classic to innovative, and solving them involves examining on-site clues and working out their answers.

Smartphone tools

Masato’s smartphone includes an address book, a memo and a map. Use these tools to keep track of information needed to progress through the story.