🦉 KOKO — Brain Word Game, Quiz & Learning with AI

KOKO is a free word game and quiz app where questions are generated by artificial intelligence — a fresh set of questions every time you play. No fixed question bank, no repeats: word puzzles, trivia, general knowledge, picture quiz and English learning, all in one light and fast game.

KOKO's AI adapts every question to your age and interests (choose up to 5 favorite topics), so the challenge always matches your level — kids, teens and adults alike.

🎯 Adventure — a step-by-step word game

• Start at Stage 1: 6 questions per stage, 3 correct answers = 1 star

• Stars unlock new stages, from easy to hard

• Fun for all ages: from kids' brain games to adult mind challenges

🧠 Classic — general knowledge quiz in 8 categories

Literature & proverbs, science, history & geography, sports, movies & art, technology, cooking and more

• AI builds fresh questions for every round — every play is a new test

• Detailed per-category stats: see your strengths and weaknesses

🖼️ Picture quiz with AI-generated images

Visual questions with unique AI-made pictures — the fun of image-guessing games, but endless and always new.

⚡ Smart Set, daily challenge & missions

• Smart Set: 10 personalized questions just for you — never repeated

• Daily challenge with rewards + daily & weekly missions

• Daily login rewards — keep your streak alive!

⚔️ Online 1v1 & group battles — real competition

• Ranked 1v1 duels: your rating starts at 1200 and climbs with every win; get auto-matched with equal opponents

• Private rooms with a 6-digit code — duel your friends

• Group battle for up to 40 players at once with a single code — class, family, friends!

• Weekly themed tournament: top 3 on the podium + a special badge

• 3 leaderboards: weekly, all-time and competitive

• Invite friends — you both earn rewards; gift points to each other

🗣️ Learn English by playing (Language mode)

• 3 learning paths: Starter, Vocabulary and everyday words — 1,000+ questions

• Set a daily goal; smart word review with memory status: 🌱 new, 🔄 reviewing, 🏆 mastered

• Word battle: test your English against a live opponent or a room code

🎓 Are you a teacher? Koko Studio is free

Give it your lesson text and AI builds a live class quiz; up to 40 students join at once with a code or QR, you see every student's answers, and you can schedule the quiz — a paperless classroom test.

👪 Dear parents

With the Parents Report (5-digit code), see your child's real progress: what they played, what they learned, and where they need more practice.

✨ Why KOKO?

• AI questions personalized by age and interests — real personalization, not clichés

• No forced sign-up: play as a guest; sign up anytime to keep your progress

• 9 achievements, an owl avatar shop, public profile & advanced stats

• 10-language interface • Free • Android 7+

• KOKO Plus: no interruptions, seasons & leagues, deeper stats

📥 Download for free now — play with KOKO, learn and prove you are the king of words! 🧠🔥