Demo

Oort Protocol: Perihelion Demo

Released Mar 24, 2026by Tuukka SarkkiNo user reviews(Steam reviews)

2476. Mercury orbit. Four soldiers. One extraction. A solar system about to burn. Hardcore tactical roguelike with permanent death. No tutorials. No mercy. Read the lore or lose your squad.

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About Oort Protocol: Perihelion Demo

March 15, 2476. Aurora Station, Mercury orbit. The Triumvirate of Justice controls the station. The Imperial Earth and Planetary Alliance keep uneasy watch. A red containment case has just changed hands. A blood ritual confirms both parties are human.

They are wrong to feel reassured.

The Oort Protocol: Perihelion is the first installment of a hardcore tactical roguelike trilogy. You are a field commander. Your terminal is your window to the war. Four soldiers follow your orders. They die permanently.

The solar system of 2476 is built on 400 years of hard science, political betrayal, and secrets buried deep enough that most people prefer not to find them. The lore is not flavor text. It is intelligence. Read it or bury your squad.

This demo contains:

  • Aurora Station extraction mission

  • Full squad creation

  • Turn-based tactical combat on ASCII tile maps

  • Rival operatives, security forces, maintenance drones

  • Dialogue that respects your intelligence

This is not for everyone. There are no tutorials. It does not soften consequences. It does not apologize. You actions and intel define your options. 

The early access release will expand the mission roster across the inner solar system. Player decisions carry forward through the trilogy to its conclusion in the Oort Cloud.

The war is coming. Whether you understand why before it starts is entirely up to you.

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IGRS 18DEJUS 14STEAM_GERMANY 16

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