Argon demos highlight one-shot 3D games and music-synced animation

A creator says Gemini 4 Argon can create 3D game assets and mechanics in one shot, and shares games made with prompts and code, including one that uses a phone as a tennis racket. Google also describes Argon building playable Three.js games and handling physics, motion and rendering for an animation with music generated and synced using Lyria 3.5.