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Boreal Tenebrae Act 0: Sundowning header art

Boreal Tenebrae Act 0: Sundowning

A surreal narrative adventure set on the night Tamarack Narrows collapses into static, fire, and aurora. Follow Sarah, Bree, and the townsfolk as an unknown visitor arrives promising salvation. A lo-fi, analog-horror

Steam Page
Release
July 30, 2026
3 days ago
Steam Reviews
4 user reviews4 reviews100.0%

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About the Game

Boreal Tenebrae: Act 0 is an atmospheric narrative adventure set in the strange, dying town of Tamarack Narrows—a place of disappearing industry, simmering resentment, flickering CRTs, and a crimson aurora that stains the sky like a wound.

You play through the interwoven perspectives of Sarah Walker, her sister Bree, and the people trapped in this remote northern community on the night everything unravels. A centennial celebration meant to save the town becomes the site of a surreal catastrophe, when an unknown visitor arrives promising salvation—and delivering something far older, and far worse.

Inspired by late-90s analog media, fixed-angle exploration games, and the dream-logic horror that defines the full Boreal Tenebrae series, Act 0 blends PSX-style visuals, lo-fi video textures, and narrative-driven exploration to create a world that feels both intimate and unsettling.

This is the night the story begins.
This is the night Tamarack Narrows changed forever.

A standalone prequel that enriches and expands the world of Boreal Tenebrae: Act 1 while remaining accessible to new players.

Multi-perspective narrative following Sarah, Bree, Nicole, Sam, and the townsfolk as their lives intersect during one disastrous community event.

Analog-horror aesthetic: CRT distortion, VHS noise, infrared footage, and PS1-inspired visuals woven directly into gameplay.

Exploration of a collapsing prairie town, from liquor stores and empty streets to church basements and industrial yards.

Cinematic storytelling: Fixed-camera scenes, interactive dialogue, and surreal sequences bursting into the real world.

A mystery rooted in community, class struggle, and cosmic intrusion, setting the stage for the events of Act 1.

Atmospheric soundtrack that shifts between warm nostalgia and unnerving dissonance.