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The Complex: Expedition official game artwork

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The Complex: Expedition Wiki

When a routine expedition into The Complex goes horribly wrong, you're left alone and lost, wandering the seemingly infinite maze of hallways, otherwise known as the Backrooms. Might there be something followin

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

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About The Complex: Expedition

In The Complex: Expedition you join a team sent to explore an uncharted facility called The Complex. The mission collapses, leaving you alone to navigate endless, maze‑like hallways.

Presented through a VHS‑style camera, the game delivers a slow‑burning psychological horror inspired by the Backrooms legend. Multiple endings and shifting entry points make each playthrough feel distinct, emphasizing exploration, tension, and an investigation of an unknown lifeform.

01 / THE GUIDE

Storyline

The narrative begins with an expedition into The Complex, a massive, unexplored structure. A catastrophic event separates you from your team, forcing you to survive alone while piecing together what went wrong.

As you wander, the game reveals fragments of the expedition’s purpose and hints at an unseen lifeform inhabiting the maze. The game features different endings, and shifting entry points help make each playthrough feel distinct.

  • Observe environmental details for hidden story cues.
  • Compare early and later scenes to track narrative shifts.

02 / THE GUIDE

Visual Style

The game uses a VHS camera perspective, giving the visuals a grainy, retro feel that enhances the unsettling atmosphere. This aesthetic aligns with the Backrooms‑inspired setting.

Lighting is deliberately dim and flickering, reinforcing the sense of isolation as you move through narrow corridors and larger chambers.

  • Pay attention to visual glitches; they may signal narrative events.
  • Use the camera’s viewpoint to maintain immersion.
The Complex: Expedition official gameplay screenshot
Publisher-provided gameplay image · pgWave

03 / THE GUIDE

Exploration

Exploration is central; the game encourages slow movement through the maze, rewarding careful observation over speed. Hallways branch unpredictably, creating a feeling of endlessness.

Entry points shift between playthroughs, so each session presents a new layout to navigate, keeping the experience fresh.

  • Mark landmarks mentally to avoid backtracking.
  • Take note of recurring architectural patterns.

04 / THE GUIDE

Multiple Endings

The game features several possible conclusions, each reached while investigating the complex and its unknown inhabitant. Shifting entry points and events mean playthroughs can unfold differently.

Because entry points and events shift, the same actions can lead to different outcomes in separate sessions.

  • Experiment with different routes to discover varied endings.
  • Document choices that seem to affect the narrative.

05 / THE GUIDE

Platform Support

The Complex: Expedition is available on Windows via Steam, supporting single‑player mode, Steam Achievements, and Family Sharing. No macOS or Linux versions are listed.

The game’s Steam page confirms these platform details without mentioning additional operating system support.

  • Check Steam’s achievement list for optional goals.
  • Use Family Sharing to let others try the game on the same PC.

WATCH THE GAME

The Complex: Expedition videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

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COMMUNITY

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    QUICK ANSWERS

    The Complex: Expedition FAQ

    What perspective does the game use?

    The game is presented through a VHS‑style camera view, giving a grainy, retro visual experience.

    Can I play with others?

    The Complex: Expedition is a single‑player experience only; there is no multiplayer mode.

    Are achievements available?

    Yes, the game includes Steam Achievements that track various in‑game milestones.

    More The Complex: Expedition guides

    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 2026-10-23. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.