Ron Cheng

Ron Cheng

I build Tactico, Momentum and Eureka.

Agents that remember across providers

agent Codex

Ship a playable three.js city builder

memory
  • City Builder
  • street graph
  • zoned massing
  • day-night cycle
Codex

Eureka history

2021 First Eureka Train System
2022 Eureka Train System v2 and v2e
2023–24 Railux 3 Gen2 and Boeing 777
2025 Railux 6 Ultra
2026 Cortex Standard and Aviation Suite