port a nintendo ds game
Port a Nintendo DS game to platforms that still sell games
A Nintendo DS port is a rebuild of a game you own. The stylus design is the asset worth keeping, because touch is native on every phone.
Porting a Nintendo DS game means rebuilding a game you own as a new project for modern hardware. The DS shipped from 2004 to roughly 2014 with two 256x192 screens, a resistive touch layer, a d-pad, and a microphone. None of that hardware exists anymore, so the port is a rebuild, not a conversion.
You must own what you are porting. A DS game you developed, or one you hold a license to remake, is fair game. A retail cartridge you bought is not. No ROM dumping and no emulator wrapping is covered here.
DS games port well to phones. The stylus is the closest ancestor of a touchscreen, so the input design survives the move almost intact. Summer Engine rebuilds the game as a real project you own, exports to iOS, Android, desktop, and web, and takes no royalties.
Stylus design is the part that transfers cleanly
DS games were designed around a single point of contact on a 256x192 resistive panel. Phones use capacitive multitouch, which is more forgiving and supports gestures the DS never had. Direct taps, drags, and traced paths all map one to one. The usual adjustments are hit target size, since a fingertip covers more area than a stylus tip, and the loss of the pressure a stylus implied on small buttons.
What to do with the second screen
Both DS screens are 256x192 with a physical gap between them. On a tall phone screen, keeping both panels stacked reproduces the original framing. On desktop and TV, most ports promote the gameplay screen and convert the map, inventory, or menu screen into an overlay or a key-toggled panel. Games that used the gap as a design element, like a vertical jump across screens, need explicit layout work rather than a straight stack.
Art, resolution, and the DS palette
DS sprites were authored for a 256x192 panel with a limited palette and tight VRAM budgets. At modern resolutions, integer scaling with nearest neighbor filtering keeps them sharp. Blurred bilinear upscaling is the common mistake. DS 3D was fixed function with no shaders, so 3D DS games look flatter than expected when reproduced literally. Rebuilt lighting and higher resolution textures usually serve the game better than exact reproduction.
Microphone, dual audio, and save data
The DS microphone was used for blowing, shouting, and voice input. Mobile microphones support the same gestures, but desktop players expect an alternative binding, so pair every microphone action with a button. DS audio was 16 channels of ADPCM and PCM, and your original audio sources will re-import at higher quality. Save data moved from cartridge EEPROM and flash to ordinary files, so you can add multiple slots and cloud saves for free.
Frequently asked questions
Can I convert a Nintendo DS ROM into a modern game?
No. There is no converter that turns a .nds ROM into an editable project. Porting a DS game means rebuilding it from your own source, art, and design. Summer Engine does not load ROM files.
Is porting a DS game I own legal?
Only if you own the rights, not just a copy. Rebuilding and publishing a DS game requires that you created it or hold a license to remake it. Buying the cartridge does not grant that right.
Do DS games work well on phones?
Yes, better than most retro ports. DS games were built around single-point touch input, which maps directly to a phone touchscreen. The main changes are larger hit targets for fingertips and a layout decision about the second screen.
How do you handle the second screen on a TV or monitor?
Promote the main gameplay screen to full screen and convert the second screen into a HUD overlay or a toggled panel. Stacking both 256x192 screens vertically also works and preserves the original framing, at the cost of large empty margins on a widescreen display.
Will my DS pixel art look bad at 1080p?
Not if you scale it correctly. Use integer scaling with nearest neighbor filtering to keep pixels crisp. Bilinear upscaling is what makes DS art look soft. Alternatively, redraw key assets at higher resolution and keep the original layout.
Keep exploring
More ways to build with Summer Engine
AI game maker
The hub for making complete 2D and 3D games by describing them.
OpenMake a game from a picture and the idea it holds
Bring a picture and Summer Engine builds a game inspired by its look and concept: scenes, gameplay, and matching art in one project you own.
OpenPort a 3DS game by rebuilding it, not converting it
Porting a 3DS game means rebuilding a game you own as a new project that runs on platforms that still sell games. There is no file converter for this.
OpenPort a Wii game and decide what happens to motion control
Porting a Wii game means rebuilding a title you own for hardware without a Wii Remote. The pointer and the motion gestures need a new input design.
OpenPort a Wii U game off the smallest console audience
Porting a Wii U game means rebuilding a title you own for platforms with a single screen. The GamePad layer is the part that has to be redesigned.
OpenPort a PSP game and give it a second analog stick
Porting a PSP game means rebuilding a title you own. The camera design is the biggest change, because the PSP had one analog nub and no right stick.
OpenPort a PS Vita game before the platform disappears entirely
Porting a PS Vita game means rebuilding a title you own. The rear touch pad is the one input with no modern equivalent.
OpenPort a GameCube game from 480p to a modern project
Porting a GameCube game means rebuilding a title you own. The analog triggers and fixed camera design are the parts that need deliberate decisions.
OpenPort a Switch game to the platforms you can publish on yourself
Porting a Switch game means rebuilding a title you own for other platforms. Nintendo platform publishing itself requires an approved developer account.
OpenPlatformer templates
Start from a ready-made project and describe your changes.
BrowseBrowse all game templates
Start from a ready-made project and describe your changes.
BrowseStart building your game now
Download Summer Engine, describe what you want, and watch it come together. Free to start, no coding required.