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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.
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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.

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.
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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.





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