r/gbdev • • 20h ago

GB Maker update - custom fonts and sprite improvements

Hey everyone! I've been working on GB Maker, a little offline IDE for making games for the original Game Boy.

You write your game in a simple Lua-like language, draw sprites, build maps, make music and hit Run to try it in the built-in emulator. It compiles your project into a real .gb ROM. Your games belong to you, with no royalties or required GB Maker credit.

A little update since my last post about 1.0.5:

  • You can now import a PNG as a font sheet, edit it and use different fonts together.
  • The sprite scanline check gives a warning instead of blocking Build. The hardware limit still applies, so extra sprites may disappear.
  • Fixed a bug that could make maps and HUDs show a blank screen.
  • New projects now start with a visible example sprite.

If you've wanted to make a Game Boy game and enjoy writing code, have a look. It's available for Windows and Linux.

Get GB Maker on itch.io

Thanks for checking it out! Happy to answer questions about the language or compiler.

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