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Tech riderRev. 3 Oct 2026

gbajs3

Ch 076.8of 29 Game Boy Advance Emulators
  1. 1Runs onself-hosted, Web
  2. 2CostsFree plan
  3. 3Platform scopedesktop and mobile
  4. 4Save statesYes
  5. 5Cheat supportYes
  6. 6Open sourceYes
6 lines stated Written from the maker's own pages: github.com
Visit site Alternatives
The gbajs3 homepage

Overview

gbajs3 is ranked #7 of 29 in Game Boy advance emulators on Specifiction. It runs on Self-hosted, Web. There is a free plan.

gbajs3 plans and pricing

All plans
Free Free Freely licensed · runs in a modern browser github.com · 3 Oct 2026

Compared on Game Boy advance emulators

Free plan
Yesgithub.com
Platform scope
desktop and mobilegithub.com
Save states
Yesgithub.com
Cheat support
Yesgithub.com
Open source
Yesgithub.com

Facts

What it does
gbajs3 is a browser based Game Boy Advance emulator that works in modern browsers without plugins.github.com · 3 Oct 2026
Emulation cores
It supports the mGBA WebAssembly core and the gbajs pure JavaScript core, with interchangeable cores.github.com · 3 Oct 2026
Intended use
The maker says the project was driven by a need to play modern GBA ROM hacks outside desktop applications without sideloading or building through Xcode.github.com · 3 Oct 2026
Controls
Features include remappable keyboard bindings and virtual controls for desktop and mobile.github.com · 3 Oct 2026
Mobile and offline
The project lists mobile UI support and offline progressive web app support.github.com · 3 Oct 2026
Fast forward
The project includes a fast forward feature.github.com · 3 Oct 2026
Save states and cheats
Save states and cheat codes are supported by the mGBA core only.github.com · 3 Oct 2026
Debugger
A surface level assembly debugger is available for the gbajs core only.github.com · 3 Oct 2026
Realtime clock
Both emulator cores support a realtime clock.github.com · 3 Oct 2026
Server components
The feature list includes a Go server for logged in user support, an Nginx server for gbajs3 content, an admin UI, and PostgreSQL support.github.com · 3 Oct 2026
Self hosting
The setup instructions say to configure an environment file and start the services with Docker Compose.github.com · 3 Oct 2026
Security setup
The setup guide says the default admin password is admin and instructs users to change it immediately after logging in.github.com · 3 Oct 2026
Limits and roadmap
The README lists debugger and server enhancements as work to do and describes S3 backed file storage as a future server enhancement.github.com · 3 Oct 2026
Downloads
The GitHub releases page says there are no releases.github.com · 3 Oct 2026

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Where it ranks on Specifiction

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Sources