Steam

GB BASIC

Also known as GB BASIC, gb, gb basic

GameBuilder BASIC (GB BASIC) is a retro Fantasy Console that generates ROMs compatible with the popular handheld game console.

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Last update

23 Jun 2026

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Latest update

AnnouncementPublished 15d ago

v1.11v1.11 Is Available Now

This update introduces direct calls to user-defined assembly instructions. Updated the RAM symbols. Improved the VRAM debugger and graphical editors. Optimized the wobble effect. This version also includes other improve…

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Latest updates

Update history

Browse past updates and patch notes for this game.

16updates

May 2026
v1.10 Is Available NowThis release includes significant improvements to the kernels, adding support for using the SFC/SNES mouse as a click/touch backend via SGB features, along with a very simple yet fun speech synthesis feature. Both featu…Announcementv1.101 changeGameplay22 May 2026
April 2026
v1.9 Is Available NowThis release mainly includes numerous improvements to the BASIC compiler. Which includes a new constant folding mechanism, enhancements to macros - and leveraging these features - optimizations in expression evaluation,…Announcementv1.91 changeGameplay24 Apr 2026
v1.8.3 Is Available NowThis update introduces a number of enhancements to the syntax and compiler, adds a mechanism for passing macros via build command line arguments, and includes various bug fixes. Tutorials: https://paladin-t.github.io/ki…Announcementv1.8.31 changeGameplay09 Apr 2026
March 2026
v1.8.1 Is Available NowThis update adds error visualization in the edit-as-image mode for the map editor, along with tiles and actor assets analysis features to help build more compact and organized assets. The map's edit-as-image mode now sa…Announcementv1.8.11 changeMaps24 Mar 2026
v1.8 Is Available NowThis update brings significant enhancements to the map editor. New support for local palette has been added, allowing referencing, previewing, and code exporting of palette locally within a specific map asset. Additiona…Announcementv1.81 changeMaps10 Mar 2026
February 2026
v1.7 Is Available NowThis update introduces the syntactic sugar load dialog to simplify initializing chat-style GUI operations. This version also optimizes RPN data fetching and calculation, improves VM instruction execution, optimizes buil…Announcementv1.71 changeFixPerformance14 Feb 2026
January 2026
v1.6 Is Available NowThis release introduces a new VRAM debugger, which allows for verification and debugging of graphics element allocation in VRAM during development, and supports learning and referencing the VRAM usage patterns of other…Announcementv1.61 changeCompatibility26 Jan 2026
All tutorial chapters are completeClick the Main Menu, Help, Tutorials in-app to open it directly. Or see the following link. Tutorials: https://paladin-t.github.io/kits/gbb/learn/index.htmlAnnouncement19 Jan 2026
December 2025
v1.5 Is Available NowThis release introduces support for custom kernels, allowing users to replace the default game runtime for their projects. The editor now supports installing and selecting custom kernels. Added new syntax to support mor…Announcementv1.51 changeGameplay26 Dec 2025
November 2025
v1.4 Is Available NowThis release introduces support for SGB features. It also includes a number of quality of life improvements, for instance, direct preview for map, scene, and actor assets with one-click. The memory related statements ha…Announcementv1.41 changeMaps28 Nov 2025
October 2025
v1.3 Is Available NowThis release introduces support for importing and managing external ROMs, providing greater flexibility for developers working with existing game assets. There are two new sprite properties available `BANK_PROP` and `OB…Announcementv1.31 changeFixCompatibility28 Oct 2025

Older updates

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