melonDS

Nintendo DS and DSi emulator

System Tools

Slowing down

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About

melonDS aims at providing fast and accurate Nintendo DS emulation. While it is still a work in progress, it has a pretty solid set of features. - Nearly complete core (CPU, video, audio, ...) - OpenGL renderer, 3D upscaling - RTC, microphone, lid close/open - Joystick support - Savestates - Various display position/sizing/rotations modes - Work-in-progress Wi-Fi emulation for online connectivity and local multiplayer - Experimental emulation of the Nintendo DSi - ...and even more is planned!

Changelog

This release adds DSP HLE, support for importnig cheats, BSD builds, and several other bugfixes. - 3D: use 32-bit division in software renderer (Arisotura) - fix 8-bit NO$GBA debug register writes (FrankHB) - fix save type for Legacy of Ys - Books I and II (CasualPokePlayer) - ROM info dialog: make DS banner more accurate (Rayyan) - DSi: add DSP HLE (Arisotura) - make input system thread-safe (fixes random multiplayer crash) (Arisotura) - CI: various vcpkg improvements (Nadia) - JIT/x64: ensure writable code memory after alloc (Rayyan) - JIT: add support for PaX MPROTECT on NetBSD (Rayyan) - JIT: handle W^X codemem in fault handler (Rayyan) - SD/MMC: fix crash when accessing port with no device connected (Arisotura) - gdb stub: fix reading wrong code for vCont packet (jonko0493) - CI: add OpenBSD CI (Izder456) - DLDI: fix log2(size) in driver header (Arisotura) - camera: fix CAM_MCNT reset behavior (Arisotura) - CI: add x64 FreeBSD and NetBSD CI (Rayyan) - audio: add high-quality resampling with blip-buf (Nadia) - 3D: fix UB in software renderer when drawing polygons with linear interpolation and Z-buffering (Arisotura) - AR: add extra D400000x data processing opcodes (Arisotura) - Qt6: use new way to access the native display/window on X11/Wayland (Nadia) - nix: update inputs and add dev shell Qt wrapper workaround (Nadia) - DSi: add support for the main RAM size register, with hack to work around loader crash (Arisotura) - AR: add support for importing cheats from usrcheat.dat, improve UI (Arisotura) - fix UI glitchiness under Wayland when OpenGL is used (Arisotura, thanks PCSX2 team) - fix minor Thumb BLX immediate bugs (Jakly) - update xxHash to 0.8.3 (JordanTheToaster) - reduce frontend audio buffer size to 512, fix audio sync (Nadia) - fix bug that could randomly break audio output (Arisotura) - compute renderer: implement tile size scaling to alleviate glitches at high resolutions (FireNX70) - SPU: fix uninitialized variable causing potential crash (Nadia) - add support for building melonDS on Windows without MinGW (Nadia)

Required configuration

Supports: mouse or touchpad, keyboard, touch screen, gamepad.

Additional information

Project

Developer: Arisotura
Publisher: Umayr Saghir
License: GPL-3.0 (free software)What this license lets you do
Homepage: melonds.kuribo64.net
From the project: Report a bug Source code Donate Documentation Contact
Latest release: November 17, 2025 (11 months ago)Slowing down · 1 release in the last year
Release history: Last 4 releases
1.1November 17, 2025
1.0July 8, 2025
0.9.5November 3, 2022
0.9.4March 8, 2022

Install

Size: 4.0 MB
Installs: 3,524,735 on Flathub9,855 in the last 7 days
Available via: Flatpak · Snap (3) · Arch Linux (3) · openSUSE · Alpine Linux · Void Linux · Solus · Gentoo · Nixpkgs
All 13 packagings
Flathub (Flatpak), Snap Store, Snap Store (Candidate build), Snap Store (Nightly build), AUR, AUR (Bin build), AUR (Git build), Nixpkgs, openSUSE, Alpine Linux, Void Linux, Solus, Gentoo
Flatpak sandbox: Wide access
Runs in a sandbox, but a broad part of it is open — typical for tools that need to manage your files or system. It shows what the app is able to do, not what it does.
What it can access
Reads and changes your whole home folder
Can access all devices, including cameras and USB
Uses the internet
Plays and records audio

About this data

Sources: 14 independent sources agree
Catalog data as of: October 12, 2026

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How each source lists it (13)

Source	Name	Version	Built by	License	Description
Flathub (Flatpak)	melonDS	1.1	Official build	GPL-3.0	Nintendo DS and DSi emulator
Snap Store	melonDS	0.9.4	—	GPL-3.0	Nintendo DS and DSi emulator
Snap Store (Candidate build)	melonDS	0.9.4	—	GPL-3.0	Nintendo DS and DSi emulator
Snap Store (Nightly build)	melonDS	0.9.4-31ba585	—	GPL-3.0	Nintendo DS and DSi emulator
AUR	melonds	1.1-2	—	GPL-3.0-or-later	DS emulator, sorta
AUR (Bin build)	melonds-bin	1.1-1	Community repack	GPL-3.0-or-later	DS emulator, sorta
AUR (Git build)	melonds-git	1.1.r63.gc851d65-2	—	GPL-3.0-or-later	DS emulator, sorta
Nixpkgs	melonds	1.1-unstable-2026-08-24	Distribution build	GPL-3.0-or-later	Work in progress Nintendo DS emulator
openSUSE	melonds	1.1	Distribution build	GPL-3.0-or-later	Nintendo DS emulator
Alpine Linux	melonds	1.1-r0	Distribution build	GPL-3.0-or-later	Nintendo DS Emulator
Void Linux	melonDS	1.1_2	Distribution build	GPL-3.0-or-later	Nintendo DS emulator
Solus	melonds	1.0	Distribution build	GPL-3.0-or-later	DS emulator, sorta
Gentoo	melonds	1.1-r2	Distribution build	BSD-2-Clause AND GPL-2.0-only AND GPL-3.0-only AND Unlicense	Nintendo DS emulator, sorta