🔦 Lighthouse Upgrades
Anyone can chip supplies into an upgrade at the lighthouse; when its cost is filled it's built for the whole crew for the rest of the run. Each level costs more than the last (×1.6 × level^1.4). Upgrades reset when a run ends.
| Upgrade | Unlocks | Effect |
|---|---|---|
| Bigger Lens | Chapter 2 / night 2 | A bigger ring of light, per level. |
| Slow Wick | Chapter 2 / night 2 | The lamp burns less oil, per level. |
| Warm Hearth | Chapter 2 / night 2 | Faster healing inside the light. |
| Big Oil Tank | Chapter 2 / night 4 | Hold more oil, per level. |
| Warm Lanterns | Chapter 2 / night 4 | Hunger drains slower, per level. |
| Sweeping Beam | Chapter 3 / night 6 | A rotating beam of light sweeps the island (one full turn every 40 s). Needs Bigger Lens level 3 first. |
| Brute Bell | Chapter 3 / night 6 | The bell slows Brutes. Ready before Brutes arrive on night 8. Needs Slow Wick level 1. |
| Twin Beam | Chapter 4 / night 10 | A second sweeping beam. Needs Sweeping Beam level 1. |