Promptkoi

Retro Game App Icon

Stable Diffusion
By Varun Sharma Tested with Stable Diffusion SDXL

Retro Game App Icon is an SDXL prompt for a 1:1 app icon. A pixel-art joystick with a red ball top, an 8-bit star and coin, scanline texture and a faint grid on a dark purple gradient in red, gold, purple and navy produces a rounded-square retro game icon with no text.

Last tested: August 2026 with Stable Diffusion SDXL

Part of the Stable Diffusion prompt library.

Remix in builder
Retro game app icon with pixel-art joystick red ball top 8-bit star and coin on purple gradient with scanlines
Retro Game App Icon — Stable Diffusion SDXL, Aspect ratio 1:1
Commercial use included

Prompt 

A retro game app icon, a rounded-square icon for a mobile app, a pixel-art joystick with a red ball top, an 8-bit style star and coin floating beside it, a subtle scanline texture across the entire icon, dark purple gradient background with a faint grid, 3D rendered style with smooth surfaces but pixel-art decorative elements, palette of red, gold, purple and dark navy, centered composition with padding from the border, no text, no letters

Negative prompt 

blurry, low quality, photorealistic, people, characters, faces, text, watermark, border, frame, neon, oversaturated, realistic textures

Settings

Model
Stable Diffusion SDXL
Aspect ratio
1:1
Steps
30
CFG scale
7
Sampler
DPM++ 2M Karras

How to use this prompt

"Pixel-art joystick" is the retro-game visual cue — a realistic joystick would read as a modern game controller. "8-bit style star and coin" are the arcade conventions that reinforce the retro theme; without them the joystick alone is ambiguous. "Subtle scanline texture" is the CRT-screen effect that sells the retro aesthetic; without scanlines the icon looks modern. "Faint grid" is the pixel-art background convention that reinforces the 8-bit theme. "3D rendered style with smooth surfaces but pixel-art decorative elements" is the hybrid approach that gives the icon polish for the app store while keeping the retro identity. The negative prompt blocks realistic textures that would undermine the pixel aesthetic.

Variations to try

  • Swap the joystick for a pixel-art space invader for a retro arcade app icon
  • Change the palette to neon green and black for a retro terminal-game icon variant
app icons pixel art app icons game design

Explore collections

Pixel Art Game Design Prompts Pixel Art Stable Diffusion Prompts

What to do next

Adapt it →

Open this prompt in the Stable Diffusion builder, pre-filled, and change one layer at a time.

Explore more →

Browse the full Stable Diffusion prompt library — every entry tested with its settings.
Share: X / Twitter Pinterest Reddit WhatsApp Facebook
For developers — copy this prompt as JSON 
{
  "title": "Retro Game App Icon",
  "prompt": "A retro game app icon, a rounded-square icon for a mobile app, a pixel-art joystick with a red ball top, an 8-bit style star and coin floating beside it, a subtle scanline texture across the entire icon, dark purple gradient background with a faint grid, 3D rendered style with smooth surfaces but pixel-art decorative elements, palette of red, gold, purple and dark navy, centered composition with padding from the border, no text, no letters",
  "negative_prompt": "blurry, low quality, photorealistic, people, characters, faces, text, watermark, border, frame, neon, oversaturated, realistic textures",
  "model": "Stable Diffusion",
  "model_version": "SDXL",
  "settings": {
    "aspect_ratio": "1:1",
    "steps": 30,
    "cfg": 7,
    "sampler": "DPM++ 2M Karras"
  },
  "style_tags": [
    "app-icons",
    "pixel-art"
  ],
  "use_case_tags": [
    "app-icons",
    "game-design"
  ],
  "source_url": "https://promptkoi.com/prompts/stable-diffusion/retro-game-app-icon/"
}

The whole library is available as an open JSON dataset · developer docs.