How Two AI Agents Auto-Generate Game Icons and Backgrounds from Text Prompts

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A developer building a browser-based slot game factory created two AI agents — Image-Gen and Background-Gen — to automate the creation of visual assets from text descriptions. Image-Gen loops through roughly thirty symbol entries in a designer's spec, calling Stable Image Core on AWS Bedrock for each one and saving the results as 256×256 PNGs. Background-Gen follows the same process once for the full-page background, with both agents substituting placeholder images on failure to avoid crashing a full run. A key post-processing step resizes every image, since the model returns full-resolution PNGs that overflow the game's reel containers. The main unsolved challenge is visual consistency — because each model call is independent, icons can return in mismatched art styles despite sharing the same prompt prefix.

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