One long prompt generates a 3D open-world game Echo Isle with mocap-driven animation

minchoi · x · 2026-10-13

AI creator minchoi shares a detailed prompt that generates a 3D open-world action-adventure game called Echo Isle, where a young conductor turns notes and chords into weapons, tools, and wings. The prompt specifies a stamina-limited movement system, animation driven entirely by Quaternius's free CC0 Universal Animation Library mocap clips blended by speed (no hand-coded limb motion or foot IK), and a conducting mechanic commanding four orchestra sections. A masterclass in structured long-form prompting for AI game generation.

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