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Pilas-melonDS review

Free#3 of 18 in Nintendo DS Emulators

Free browser emulation with DSi support, persistent saves, and multiplayer bridges.

8.9/10Editor score
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Pilas-melonDS8.9 Visit Pilas-melonDS

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Pilas-melonDS is an HTML5/WebAssembly frontend for the melonDS emulator core. It runs legally dumped Nintendo DS or DSi software through desktop and mobile web browsers, rather than as a native desktop application. The project supports .nds, .dsi, and .srl ROM files, with keyboard, gamepad, touch, and DS touchscreen input. It is aimed at browser users who want flexible input options, browser-backed storage, and access to selected DSi features.

The free, open-source project puts a substantial set of features in the browser. Persistent cartridge saves use browser storage, while save-state export and import provide up to six slots per ROM. Rendering can use Canvas 2D, WebGL 2, or WebGPU. For DSi software, the emulator provides experimental DSi mode, browser-permission access to the camera and microphone, and DSiWare CIA installation to NAND or virtual SD storage. Some DSi functionality requires legally dumped system files, so users should understand that DSi support has additional requirements.

Multiplayer is another clear focus. Pilas-melonDS includes browser internet mode and local-tab/WebSocket multiplayer bridges, making it a fit for users who want browser-based connection options alongside single-player emulation. Its main trade-off is the browser-only delivery model: users looking specifically for a native desktop application should choose another option. Pilas-melonDS is the stronger match for people who value web access, persistent saves, multiple input methods, experimental DSi support, and multiplayer bridges, provided they are comfortable with browser permissions and the requirements around DSi functionality.

Pilas-melonDS pros and cons

  • Where it wins
    • Runs Nintendo DS software in desktop and mobile browsers
    • Supports persistent saves and up to six save-state slots per ROM
    • Offers DSi mode, multiple inputs, and browser multiplayer bridges
  • Where it doesn't
    • DSi mode is experimental
    • Some DSi functionality requires legally dumped system files
    • Browser-only access may not suit users seeking a native application

Pilas-melonDS fact sheet, pricing and score →

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