3D aerial tram game between floating islands

A verified author comment shares the full prompt that the root post says was run against GPT-6 and Gemini 4. It requests a playable browser-based Three.js tram game set on floating Mediterranean-style islands, with driving controls, passenger-comfort scoring, stations, upgrades, and mobile support.

Prompt optimization tips

1

Specify editability

State which objects must remain separate, named and editable; otherwise a visually convincing shell may still be unusable.

2

Close the test loop

Ask the model to run the scene, inspect visible failures and repeat until concrete frame-rate, interaction and layout checks pass.

3

Stage long builds

For large worlds, split the work into districts, assemblies or milestones and approve each section before expanding scope.

Imagine It. Shape It.