NO$GBA

Free plan Windows

What NO$GBA is

NO$GBA is a freeware emulator for Game Boy Advance, Nintendo DS, and DSi software. The downloads page offers Windows gaming and debugging versions, as well as a DOS gaming version. Its debugger includes Code, Data, Stack, and Registers windows; the Data window can display and modify memory dumps. Developers can use .ELF, DWARF2, and .SYM debug information, inspect execution timing and profiling details, set conditional breakpoints, and trace execution. Optional warnings flag operations such as writes into ROM or invalid memory access. For emulation, NO$GBA can link up to four GBAs for multiplayer and save or restore the complete hardware state to a file. Its upload function runs programs up to 256K in attached GBAs' Work RAM through an xboo cable connection. DSi emulation requires several system files. The downloads page lists version 3.06, dated 14 Apr 2025. NO$GBA is freeware from Martin Korth, with a free plan at no cost. The maker directs freeware usage questions to the forum and technical bug reports to email; the developer contact is intended for developers rather than gaming questions.

Who it suits

NO$GBA suits people looking for a free emulator for Game Boy Advance, Nintendo DS, or DSi software on Windows. Its debugging tools also serve developers working with supported debug information, breakpoints, traces, and profiling details.

What it does well

Freeware with a free plan at no cost.
Emulates Game Boy Advance, Nintendo DS, and DSi.
Links up to four GBAs for multiplayer.
Debugger supports .ELF, DWARF2, and .SYM information.
Can save or restore the complete hardware state.

What to know first

DSi emulation requires several system files.
The gaming and debugging Windows versions are separate downloads.
The upload function requires an xboo cable connection.

Limits

The free plan is freeware. DSi emulation requires several system files, and program uploads run only up to 256K in attached GBAs' Work RAM using an xboo cable connection.

Plans

Plan	Billed and limits	Price
Free	Download, test, and use the software and documents for free	Free

As problemkaputt.de lists them, read 8 Oct 2026. The maker's own page has the final word.

Getting started

Open the NO$GBA website.
Choose the Windows gaming or debugging download, or the DOS gaming version.
For DSi emulation, obtain the required system files.
For program uploads, connect attached GBAs with an xboo cable.

Verdict

Choose NO$GBA for free Game Boy Advance, Nintendo DS, or DSi emulation, or for its developer debugging tools. DSi users should account for the required system files, and the upload function is intended for attached GBAs using an xboo cable.

Questions

How much does NO$GBA cost?

It has a free plan listed as free.

Which systems does NO$GBA emulate?

It emulates Game Boy Advance, Nintendo DS, and DSi software.

Which platforms have downloads?

The page offers Windows debugging and gaming versions and a DOS gaming version.

Does NO$GBA support multiplayer?

It can link up to four GBAs in multiplayer mode.

Who makes NO$GBA?

The debugger page identifies Martin Korth as the maker.

Does DSi emulation have a requirement?

Running DSi emulation requires several system files.

Facts from NO$GBA's own pages

Breakpoints: It supports conditional breakpoints, tracing, and optional warnings for suspicious operations such as writes into ROM or invalid memory accesses. · problemkaputt.de, 8 Oct 2026
Debugger windows: The main debug screen has Code, Data, Stack, and Registers windows; the Data window can display and modify memory dumps. · problemkaputt.de, 8 Oct 2026
Download versions: The page offers Windows debug and gaming versions, plus a DOS gaming version. · problemkaputt.de, 8 Oct 2026
DSi requirements: The site's DSi emulation note says running it requires several system files that users may not have. · problemkaputt.de, 8 Oct 2026
Emulation features: It can link up to four GBAs in multiplayer mode and save or restore the complete hardware state to or from a file. · problemkaputt.de, 8 Oct 2026
Hardware upload: The upload function runs programs up to 256K in attached GBAs' Work RAM using an xboo cable connection. · problemkaputt.de, 8 Oct 2026
Intended audience: The debugger page says its developer contact is for developers only and not gaming questions. · problemkaputt.de, 8 Oct 2026
Latest listed release: The downloads page lists NO$GBA v3.06, dated 14 Apr 2025. · problemkaputt.de, 8 Oct 2026
Maker: The debugger page identifies the maker as Martin Korth. · problemkaputt.de, 8 Oct 2026
Product: NO$GBA is a Game Boy Advance, Nintendo DS, and DSi emulator. · problemkaputt.de, 8 Oct 2026
Source debugging: The debugger supports .ELF, DWARF2, and .SYM debug information and displays execution timing and profiling details. · problemkaputt.de, 8 Oct 2026
Support: The maker directs freeware usage questions to the forum and technical bug reports to him by email. · problemkaputt.de, 8 Oct 2026