Games · The Signal
Dan Greenheck spent $1,874 in Opus 5.5 tokens building a playable Three.js world
High-end agentic game creation can now produce striking interactive worlds—but today's economics can still be extreme.
Reporting updated Sep 25, 2026
High-end agentic game creation can now produce striking interactive worlds—but today's economics can still be extreme.
What Happened
Three.js developer Dan Greenheck published a dense interactive coastal world built with Opus 5.5, including wildlife, day/night lighting, water effects, moving props and a zoomed-out island view while maintaining 60 FPS at 1440p on his setup.
Why It Matters
The result is impressive enough to challenge assumptions about how much specialized implementation work AI can absorb, while the cost gives the story an equally important reality check.
VEYR Angle
This is exactly the kind of Signal story VEYR should surface: the output is genuinely compelling, the workflow is unusually agent-heavy, and the creator is transparent about both quality and cost.