The Best Resolution for a Pixel Art Game (and Why 320×180 Is So Popular)
Pick the wrong base resolution for a pixel art game and you get one of two problems: blurry, uneven pixels, or big black bars. Here's how to choose one that scales cleanly to the screens your players actually use.
The rule: integer scaling
Pixel art looks crisp only when every game pixel becomes a whole number of screen pixels — 2×, 3×, 4× and so on. At 2.5× some pixels are drawn two screen pixels wide and others three, which makes the art shimmer as the camera moves. So you want a base resolution that multiplies exactly into common screen sizes.
How the popular choices compare
Results from the pixel-perfect resolution calculator (✓ = fills the screen exactly, no bars):
| Base | 720p | 1080p | 1440p | 4K | Steam Deck |
|---|---|---|---|---|---|
| 320×180 | 4× ✓ | 6× ✓ | 8× ✓ | 12× ✓ | 4×, bars |
| 640×360 | 2× ✓ | 3× ✓ | 4× ✓ | 6× ✓ | 2×, bars |
| 384×216 | 3×, bars | 5× ✓ | 6×, bars | 10× ✓ | 3×, bars |
| 480×270 | 2×, bars | 4× ✓ | 5×, bars | 8× ✓ | 2×, bars |
That's why 320×180 and 640×360 are everywhere: they're the only common choices that divide perfectly into all four 16:9 resolutions. 384×216 and 480×270 give you more room to show the world, at the cost of borders on 720p and 1440p.
What about the Steam Deck?
The Deck's screen is 1280×800, a 16:10 ratio, so any 16:9 base leaves bars at the top and bottom. With 320×180 you get a 4× image of 1280×720 and 40 pixels of border above and below. Many games fill that space by rendering a little more of the world vertically, or by placing UI there.
How to choose
- Small, chunky sprites (16×16 characters): 320×180 keeps the camera close and the art readable.
- More detailed sprites or wider views (32×32 and up): 640×360 or 480×270.
- Retro 4:3 look: 256×224 or 320×240, accepting side bars on widescreens.
Once you've settled on a size, the sprite sheet splitter & packer and the palette extractor help with the rest of the pipeline.