GB Editor — Maps

cell —

Map:

Show actors

Grid Settings

Grid overlay Show grid Color Opacity 0.80 Thickness 1px

Saved on this device only — not part of the game.

Map Settings

Identity Rename map

Game map Sprite mode

Read-only — recreate the map to change.

Player sprite Map image Swap tile sheet

Full art scene Art PNG

Advance Next map (A) Prev map (B) Exit portal (chain end) Exit anchor

Audio Song

Map Info

Properties

Qualities

Create new map

Name

Type Game (tile grid) Full Art (160×144 PNG)

Map PNG

Palette (lightest → darkest)

PNG dimensions must be multiples of 8 pixels. Every pixel must match one of the four palette colors above. Maximum 256 tiles (16×16 grid) per map. Maximum 7 maps per game.

Art PNG

PNG must be exactly 160×144 (the Game Boy screen size). rgbgfx renders the image at build time; no palette quantization. Advance default: Start button (configure A vs Start in the inspector after create).

Replace map image

Iterating on 's art. Collision paint, portals, and Interactions stay as they are.

New PNG

Palette (lightest → darkest)

Defaults to the GB greyscale palette. If your new PNG uses different colors, change the swatches to match before submitting (every pixel must be one of these four colors).

Swap states

Pick swap tile

Upload swap tile sheet

Upload Maps//SwapTiles.png. Opaque 8×8 cells = tile_id 0, 1, 2, … in row-major order. Transparent cells are skipped; mixed alpha is rejected. Pixels must use the map's existing palette.

Swap tile sheet PNG

Rename map

Renaming . Collision paint, portals, and dialog stay attached — only the name + every reference to it updates.

New name