duo-voice

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Mis à jour4 mai 2026 à 16:55

Write product copy in the Duolingo voice — "wholesome but unhinged," character-driven, screenshot-worthy. Covers push notifications, error states, onboarding, empty states, celebrations, and the now-famous threat-copy that turned a green owl into a meme. Use when the user is writing any user-facing string — notifications, microcopy, errors, marketing — and wants it to feel like a person, not a product. Source the Duolingo Handbook (Make It Fun) and observed blog/marketing patterns.

Installation

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Source

HKTITAN

HKTITAN/duolingo

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Métiers associésSOC

Basé sur la classification professionnelle SOC

Écrivains et auteursArts, design, divertissement, sports et médias·SOC 27-3043

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SKILL.md

readonly

name	duo-voice
description	Write product copy in the Duolingo voice — "wholesome but unhinged," character-driven, screenshot-worthy. Covers push notifications, error states, onboarding, empty states, celebrations, and the now-famous threat-copy that turned a green owl into a meme. Use when the user is writing any user-facing string — notifications, microcopy, errors, marketing — and wants it to feel like a person, not a product. Source the Duolingo Handbook (Make It Fun) and observed blog/marketing patterns.
license	MIT
metadata	{"author":"HKTITAN","version":"1.0.0","graph":true}

Duolingo Voice — Map of Content

Duolingo's brand voice is the most copyable competitive advantage in modern consumer software: the rules are public, the examples are everywhere, and the upside is enormous (free distribution from screenshots). The handbook describes it as "wholesome but unhinged" — the friction between those two words is the whole job.

This skill is structured as a graph: scan the descriptions below, follow only the [[wikilinks]] you need.

Foundation

[[references/wholesome-unhinged]] — the two-word brand brief and how to operationalize it.
[[references/character-archetypes]] — Duo, Lily, Zari, Eddy and what each one is allowed to say.
[[references/screenshot-bait]] — copy written so users want to share it; the cheapest growth channel.

Surfaces (one node per copy surface)

[[references/push-notification-copy]] — the highest-leverage surface; the "Duo is watching you" template and what makes it work.
[[references/error-copy]] — wrong answers, network failures, validation errors as moments of brand instead of friction.
[[references/onboarding-copy]] — the first three screens that decide retention; how Duolingo makes them feel like meeting a person.
[[references/empty-states]] — the loneliest screens; how to fill them with character.
[[references/celebration-copy]] — what to say when something good happens, without sounding corporate.
[[references/threat-copy]] — the deliberately-funny menace that turned an owl into a meme.

Globalization

[[references/localization-voice]] — keeping unhinged consistent across 40+ languages where the joke doesn't always translate.

Sibling skills

[[../duo-retention/SKILL]] — the highest-leverage voice surface (push notifications) is a retention tool; designs interlock.
[[../duo-gamification/SKILL]] — celebrations and threats are voice + gamification at the same time.
[[../duo-growth/SKILL]] — voice is growth: the social TikTok voice and the in-app voice are the same character.

Sources

Duolingo Handbook (2025), Principle #5: Make It Fun
@duolingo on TikTok / Instagram / Twitter — observed brand voice
blog.duolingo.com — voice and marketing posts

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UI patterns from the Duolingo design system — juicy motion, the character system as the emotional channel, design tokens (color/type/spacing), sound as a UX surface, accessibility as a default not a checklist, and "error-as-delight" detailing. Use when the user is designing a screen for a gamified or learning product, reviewing a design for "why does this feel flat," picking a motion system, building a character mascot, or auditing for accessibility. Source the Duolingo design system at design.duolingo.com.

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Duolingo-style experimentation as a decision protocol — hundreds of A/B tests a week, opinions resolved by data, ideas killed quickly. Covers hypothesis design, metric selection, guardrails, sample size, novelty effects, and explicit kill criteria. Use when the user wants to run an A/B test, decide between two designs without arguing, set up an experiment program, debug why a test isn't moving, or build a culture where "show don't tell" replaces seniority-based decisions. Source the Duolingo Handbook (Show Don't Tell) and engineering blog posts.

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Add Duolingo-style play to any product — XP systems, juicy feedback, leagues, celebration moments, hearts/energy, and the anti-grind discipline that keeps gamification from turning toxic. Use when the user asks how to make a product fun, addictive, or "feel like a game," when designing rewards, levels, or progress, or when an existing system feels like a slot machine and they want it to feel like a craft. Source the Duolingo Handbook (Make It Fun) and the Duolingo design system.

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Duolingo-style growth that doesn't break retention — viral loops, brand-as-acquisition (the TikTok playbook), referral mechanics, localization as a growth lever, and the founder-mode marketing that turned a mascot into a meme. Use when the user is planning acquisition, building a referral system, considering paid vs. organic, evaluating a marketing channel, or trying to turn an existing brand into a growth engine. Source the Duolingo Handbook (Make It Fun) and observed marketing patterns from 2022–2025.

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Make product decisions the way Duolingo does — long-view over short-term, ruthless prioritization, ship-and-learn over plan-and-ship, dogfooding, and the "intuitive by default" quality bar. Use when the user is roadmapping, deciding what to cut, debating whether to ship, defining a quality bar for a feature, or trying to install a "product-led" culture in a team that defaults to feature factories. Source the Duolingo Handbook principles 1, 2, and 3 (Take the Long View, Raise the Bar, Ship It).

2026-05-042

name	duo-voice
description	Write product copy in the Duolingo voice — "wholesome but unhinged," character-driven, screenshot-worthy. Covers push notifications, error states, onboarding, empty states, celebrations, and the now-famous threat-copy that turned a green owl into a meme. Use when the user is writing any user-facing string — notifications, microcopy, errors, marketing — and wants it to feel like a person, not a product. Source the Duolingo Handbook (Make It Fun) and observed blog/marketing patterns.
license	MIT
metadata	{"author":"HKTITAN","version":"1.0.0","graph":true}

Duolingo Voice — Map of Content

This skill is structured as a graph: scan the descriptions below, follow only the [[wikilinks]] you need.

Foundation

[[references/wholesome-unhinged]] — the two-word brand brief and how to operationalize it.
[[references/character-archetypes]] — Duo, Lily, Zari, Eddy and what each one is allowed to say.
[[references/screenshot-bait]] — copy written so users want to share it; the cheapest growth channel.

Surfaces (one node per copy surface)

[[references/push-notification-copy]] — the highest-leverage surface; the "Duo is watching you" template and what makes it work.
[[references/error-copy]] — wrong answers, network failures, validation errors as moments of brand instead of friction.
[[references/onboarding-copy]] — the first three screens that decide retention; how Duolingo makes them feel like meeting a person.
[[references/empty-states]] — the loneliest screens; how to fill them with character.
[[references/celebration-copy]] — what to say when something good happens, without sounding corporate.
[[references/threat-copy]] — the deliberately-funny menace that turned an owl into a meme.

Globalization

[[references/localization-voice]] — keeping unhinged consistent across 40+ languages where the joke doesn't always translate.

Sibling skills

[[../duo-retention/SKILL]] — the highest-leverage voice surface (push notifications) is a retention tool; designs interlock.
[[../duo-gamification/SKILL]] — celebrations and threats are voice + gamification at the same time.
[[../duo-growth/SKILL]] — voice is growth: the social TikTok voice and the in-app voice are the same character.

Sources

Duolingo Handbook (2025), Principle #5: Make It Fun
@duolingo on TikTok / Instagram / Twitter — observed brand voice
blog.duolingo.com — voice and marketing posts