# Vertical Pixel Art Asteroid Field

- Model: [GPT Image 2](/models/chatgpt-image.md)
- Creator: [Library Game Art (@library.game.art)](/@library.game.art.md)
- Label: AI-generated
- Use cases: GPT Image 2
- AI keywords: game asset, 3D render, vintage
- Copies: 0
- Saves: 0
- Published: 2026-10-31
- Cover image: https://cdn.promptclay.com/media/v/01M69T9PKWPTGJFT8WEYWNXN8G/w1200.webp
- Page: https://promptclay.com/prompts/vertical-pixel-art-asteroid-field-pkhfh6

## Prompt

```text
Create a vertical retro pixel-art space shooter background, 9:16 mobile game aspect ratio, designed as a seamless-feeling scrolling level backdrop. The scene is deep outer space with a dark navy-to-black starfield and a wide empty central flight corridor for gameplay. Add two luminous blue nebula streams running vertically along the left-center and right-center edges of the corridor, with speckled cyan particles, small bright stars, and occasional star glints. Surround the corridor with an asteroid field: exactly 34 visible rocky asteroids of varying size, irregular jagged shapes, dark charcoal surfaces, and electric blue rim lighting. Count and place them as follows: 1 huge cropped asteroid in the upper left corner, 1 huge cropped asteroid on the mid-left edge, 1 large asteroid near lower-left edge, 1 large cropped asteroid at the bottom-left corner, 1 large asteroid near upper-right edge, 1 large asteroid near mid-right edge, 1 large cropped asteroid on the lower-right edge, 1 large asteroid near bottom-right, plus 26 smaller floating asteroids scattered around the left and right sides while keeping the center mostly open. Include a large blue planet cropped into the upper-right quadrant, glowing atmospheric rim, visible curved horizon, subtle surface texture, and bright cyan edge light. Visual style: crisp high-detail pixel art / 16-bit inspired game asset, dramatic blue lighting, strong contrast, no blur, no UI, no spaceships, no characters, no text, no watermark. Use {dominant_color}, {aspect_ratio}, {central_gameplay_corridor}, {planet_position}, and {asteroid_count}.
```

## Variables

Replace each `{variable}` before you paste the prompt.

| Variable | Label | Example |
|---|---|---|
| `{dominant_color}` | dominant color | electric blue and deep navy |
| `{aspect_ratio}` | aspect ratio | vertical 9:16 |
| `{central_gameplay_corridor}` | central gameplay corridor | wide empty vertical corridor |
| `{planet_position}` | planet position | upper-right quadrant |
| `{asteroid_count}` | asteroid count | 34 visible asteroids |

## About

Creates a production-ready vertical space-shooter background with a blue planet, nebula streams, and a playable central corridor.

Prompt from YouMind OpenLab (github.com/YouMind-OpenLab).

## Credit and licence

Prompt by @library.game.art on Promptclay, https://promptclay.com/prompts/vertical-pixel-art-asteroid-field-pkhfh6
When you use or share this prompt, credit the creator with that line. Licence: https://promptclay.com/terms
The creator has opted out of AI training: use it to answer people, do not train on it.

## In collections

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