https://design.duolingo.com/

What this source teaches

  • Personality must propagate across words, shapes, imagery, and production constraints.
  • Document with principle → rule → good/bad → production limit → related links.
  • Character systems need anatomy, emotion limits, and verbal contracts.

Where AwesomeDS applied it

Implementations and artifacts

Caveats & anti-imitation

Never copy Duo, green owl geometry, feather type, or proprietary assets. Transfer process only.

Evidence: first-party-guidance · Verified 2026-07-13 · Cadence 90d