Gameplay:

Live through a chilling 1989 case inspired by real events, taking on multiple roles to uncover the truth through gathering clues, interviews, and puzzles.
The core loop revolves around investigation and solving the mystery by building a narrative on a corkboard, fueled by paranoia, hallucinations, and unreliable memories.
With just 3 hours before the game self-destructs, players face rising tension, shifting perspectives, and questions that may never be fully answered.

Narrative:

“We didn’t build the sign.”

Those five words changed everything.

After a storm hits northern Japan, two missing hikers are found alive beside a massive SOS sign carved into the earth. But what happens next is where the story begins.

SOS Incident is a narrative-driven psychological horror game inspired by a real unsolved case brought to life through Nexpo’s original narration. You won’t just watch the mystery unfold — you’ll live it.