Game Boy Advance · Shooter
BeatBeast
No ROM
Upload one manually. The file stays in this tab and is not sent to a server.
EmulatorJS (open source, GitHub) · Touch pad on phones. A Bluetooth gamepad is better for fighters and karts.
Controls
On a phone, use the on-screen pad. A Bluetooth gamepad works too.
BeatBeast is Multiple authors's Game Boy Advance homebrew from 2018. Dodge and shoot until the stage ends. This ROM is hosted under MIT.
Walkthrough
BeatBeast is a redistributable open-source Game Boy Advance homebrew. The ROM loads when you open the page. Dodge and shoot until the stage ends.
Play

The ROM loads from this site. D-pad, A, and B.
Goal

Dodge and shoot until the stage ends.
License

MIT. Source: https://github.com/afska/beat-beast. Commercial ROMs are not hosted.
FAQ
Is BeatBeast free to play here?
Yes. The author released it under MIT, and this page hosts that ROM.
Who made it?
Multiple authors, 2018. Source: https://github.com/afska/beat-beast
Are there cheat codes?
No published cheat pack. Save-states are in the emulator menu.
Can I play it on a phone?
Yes. The on-screen pad maps to the D-pad, A, and B. Landscape is easier.
Do you host commercial ROMs?
No. This page is an open-source homebrew. Classic commercial games stay on the file picker.
Emulator cores live on S3. A game starts from a hosted ROM when that file exists, or from a local file you pick. Local files are not uploaded.