Blake Bailey

CH·02 / Browser game

Lantern Hollow

A small, cozy dungeon crawler that runs in the browser, built with plain JavaScript and Canvas 2D.

Year
2026
Built with
JavaScript, Canvas 2D
Source
github.com/Blakells/lantern-hollow
Play
blakells.dev/lantern-hollow/

Play Lantern Hollow

Lantern Hollow on desktop: a hooded traveller with a lantern stands by a campfire in a small lit room of the Root Cellars, with hearts, an oil bar and a minimap at the edges of the dark.
The first floor, the Root Cellars, on desktop.

The game

You take a lantern down five floors of the under-garden. The stairs are somewhere in the dark, the oil is always running low, and the local grumbles are having a day. Walking into a grumble soothes it: nothing in this dungeon needs killing, and there is no game over.

How it’s built

  • Plain JavaScript on Canvas 2D, with no build step and no dependencies. The art is procedural geometry, with no art assets.
  • Every floor is generated from a seed, so ?seed=53 replays the same dungeon.
  • The light radius shrinks as the lantern’s oil burns down; oil flasks and campfires refill it.
  • A minimap in the corner.
  • On an iPhone it gets a touch pad and two action buttons, and it installs to the Home Screen as an app.
  • A small test for the world generator, test-world.js.
Lantern Hollow on an iPhone: the same lantern-lit room, with a direction pad and TEA and REST buttons below.
On an iPhone, with the touch controls.