SSTR is a single player escape-room style puzzle game set aboard Horizon. A colony ship adrift in the darkness of space, under the watchful eye of Sister. Awaken into madness and explore the horrors of Horizon’s past.



Sister, the AI entrusted with the safety of the souls aboard has gone rogue. She is hunting down the colonists and crew trapped onboard. Horizon is in lockdown and only the manual override keys will unlock the doors to reach Sister’s command core.

It is up to you to stop her.

Awakened from cryosleep, you are alone in the bowels of a ship filled with the screams of your fellow colonists.

The crew were hunted down but managed to leave clues to assist any possible survivors. Messages carved into the walls and cyphers smeared on the floor in blood, the crazed ramblings of people driven mad by Sister or perhaps coded information to help you.

Brain melting puzzles.

As you move through the ship, you'll discover the doors were locked by a shipful of crazy people. Pour over the scrawlings on the walls, floors, and computer terminals to gather information. Piece together the insane logic in order to escape the room you're in and get one step closer to shutting SSTR down.

You can run, she will find you.

Defend yourself from the onslaught of Sister’s drones. Scavenge for resources throughout the ship to construct automated defense turrets and hold her back as you struggle through Horizon. Survival will not be easy.



Discover the truth behind Sister and the crew of Horizon through environmental storytelling and text entries left by the crew.