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Tutorial · ~7 min

Subliminal Prologue & The Basement Walkthrough

The opening chapter of Subliminal. The Basement functions as an unguided tutorial — no on-screen instructions appear. You are expected to discover the light mechanics organically.

📋 Objectives

  1. 1. Detach the ceiling light fixture near the furnace
  2. 2. Illuminate the sensor panel behind the shelving unit to open the first door
  3. 3. Navigate the split-level corridor using light to reveal a hidden floor hatch
  4. 4. Exit The Basement via the hatch to reach WaterWorks

🗺️ Step-by-Step Walkthrough

Step 1 — Orientation

You begin facing a dark concrete wall. Turn around. You are at the bottom of a wooden staircase leading up to a closed door — the only way out is through the basement.

Step 2 — The Furnace Room

Enter the furnace room. Approach the ceiling bulb and interact to detach it. Crouch and sweep the floor near the furnace for Lore Note #1.

Step 3 — Shelving & Sensor Panel

Go left in the corridor. Clear the sensor panel (move shelf or aim through gap). Hold light ~2s until amber lock and click.

Step 4 — Floor Hatch

In the split-level corridor, crouch and light the far wall at an angle to spot the rug covering the floor hatch. Open it to reach WaterWorks.

💡 Tips

Do not rush past the furnace room — there is a lore note on the floor only visible when you carry a light source low to the ground.
The shelving unit can be physically nudged to clear the angle to the sensor panel if you prefer not to find the alternate aim path.
The hidden floor hatch is covered by a rug. The rug edge is visible if you cast light at a 45-degree angle from the doorway.

🔍 Hidden Secrets

🔍 A polaroid photo on the furnace room shelf shows a childhood playground — foreshadowing the Childhood Memories chapter.
🔍 The door to the right of the entry stairs is locked but has a small gap at the bottom. Crouching and casting light through it reveals a shadow on the far wall shaped like a hand — this is purely atmospheric but part of the lore.
← Start of Game Next: 🌊 WaterWorks →

❓ Prologue FAQ

❓ Can I skip the Prologue tutorial?
No. The Prologue is mandatory and there is no chapter skip on first playthrough. However, on subsequent runs via chapter select, you can start from WaterWorks.
❓ Where is the lore note in The Basement?
The lore note is on the furnace room floor. It is only visible when you carry your light source low to the ground — at standing height the paper blends into the dark floor texture.
❓ How do I unlock the Lights Out Run achievement?
Complete The Basement without setting the light fixture down at any point. Aim the light at the sensor panel manually while holding it — do not place it on the floor.