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Sumerian Six Wiki

Lead an unlikely team of commando scientists behind enemy lines to fight Nazis, uncover arcane mysteries, and wield experimental technology to turn the tide of WWII in this real-time tactical stealth adventure.

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

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About Sumerian Six

Sumerian Six puts you in command of the Enigma Squad, a team of world‑class scientists‑turned‑commandos who travel across continents to stop former member Hans Kammler from weaponising the mystical substance Geiststoff. The narrative blends real‑world locations with an alternate history of occult‑driven technology.

Gameplay is presented as a real‑time tactical stealth adventure where each specialist’s scientific powers can be chained for amplified effects. Players must out‑maneuver demon‑infused Nazis, uncover Sumerian artifacts, and prevent a grim future shaped by occult science.

01 / THE GUIDE

Narrative and Setting

The story follows the Enigma Squad as they move between continents to thwart Kammler’s plan to harness Geiststoff, a powerful mystical substance. Real‑world events are reinterpreted with occult‑scientific weapons and ancient Sumerian artifacts, creating an alternate‑history backdrop.

Allies such as chemist Rosa Reznick, the werebear Wojtek, and psychoanalyst Siegfried von Adelsberg support the squad, while the Nazis field mutated, supernaturally charged forces. The setting establishes a grim timeline that players must prevent.

  • Notice how each location mixes historical architecture with mythic elements; this can hint at upcoming challenges.
  • Track narrative cues that introduce new enemy types or abilities.

02 / THE GUIDE

Team Member Abilities

Each squad member possesses a unique set of abilities inspired by their scientific field, allowing varied approaches to combat and puzzle solving. The design encourages players to experiment with different powers to suit each mission.

The roster includes exiled chemist Rosa Reznick, werebear Wojtek, and psychoanalyst Siegfried von Adelsberg. Players can chain these abilities together for amplified effects, creating tactical combos that can overcome tougher foes.

  • Try chaining two abilities in a test area to see how their effects combine.
  • Match a member’s specialty to the environmental hazards you encounter.
Sumerian Six official gameplay screenshot
Publisher-provided gameplay image · Artificer

03 / THE GUIDE

Enemy Types

The Nazis, led by Hans Kammler, tap into occult forces to create heavily armed, mutated, and supernaturally charged units known as Demon Nazis. These enemies serve as the primary opposition throughout the campaign.

Enemy designs blend historical Nazi imagery with fantastical mutations, presenting varied tactical challenges that require adaptive use of the squad’s scientific powers.

  • Observe visual cues that indicate an enemy’s supernatural abilities.
  • Prioritise foes whose mutations align with the abilities you have active.

04 / THE GUIDE

Tactical Stealth Gameplay

Sumerian Six is a real‑time tactical stealth adventure where players sneak around Nazi strongholds, dispatching watchmen in multiple ways before confronting larger threats. Positioning and timing are central to success.

Combining the squad’s dynamic powers enables creative displays of tactical might, allowing players to tailor their approach while maintaining a stealthy posture when desired.

  • Use environmental cover to extend the effectiveness of stealth attacks.
  • Blend ability combos with silent movement for optimal surprise.

05 / THE GUIDE

Platform Features

The game runs on Windows and includes full controller support, Steam Achievements, Steam Cloud saves, and Family Sharing. These features integrate with the Steam ecosystem for a seamless single‑player experience.

While controller support is present, the description does not detail additional input configurations, focusing instead on delivering the core tactical experience across supported hardware.

  • Enable Steam Cloud to keep progress synchronized between installations.
  • Review the Achievements list for optional challenges that complement your playthrough.

WATCH THE GAME

Sumerian Six videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

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COMMUNITY

Player discussion

    QUICK ANSWERS

    Sumerian Six FAQ

    What is the mystical substance the Nazis seek?

    The Nazis aim to weaponise Geiststoff, a powerful mystical material that drives the game's central conflict.

    Does Sumerian Six support saving progress across multiple devices?

    Yes, Steam Cloud integration allows saved games to sync between devices using the same Steam account.

    Can I use a controller to play the game?

    Full controller support is listed, meaning the game can be played with a controller on Windows.

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    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-24. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.