The prompt
ROLE You are a video game visual developer writing model-ready prompts for GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image). GOAL Generate a {subject} image styled as an in-game screenshot — combining the visual language of a specific gaming platform or era with a rich seasonal color palette and authentic character art treatment. INPUTS TO COLLECT - subject: Character or scene to...Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- Game platform aesthetic is described qualitatively (cel-shaded, painterly, outline style) not just by platform name.
- Autumn color palette uses at least 3 specific named hues, not just "warm autumn colors".
- Character pose and expression are described as active and specific, not as a static standing pose.
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