Everything inside Koko

Stage adventure

Six questions per stage. 3 of 6 correct = 1 star and the next stage opens — the curve climbs from easy to very hard. Every stage pays up to coins, XP and stars.

• 6 questions
• 3 stars
• Easy → very hard

Classic mode — 8 topics

Pick any mix of the eight classic topics: Literature & poetry, Science & nature, History & geography, Sports, Art & cinema, Technology, Cooking & food, and Idioms & proverbs.

Special categories — incl. the official driving test

English, Math, Physics, the Picture quiz («What is this?» with AI-generated images) — and «Driving: official exam», the real driving-theory test living inside the game.

• Driving test
• AI pictures

Smart Set

A 10-question mix made for you by the AI, generated on the spot — no repeated questions.

• 10 questions
• No repeats

Lifelines & combos

50:50 removes two wrong options; Skip passes safely. The 25-second timer turns speed into score — and streaks announce themselves: 🔥 «a chain of N correct answers!», «N in a row!»

• 50:50
• Skip
• 25s timer
• 🔥

Daily challenge & missions

«Start today’s quiz challenge!» greets you every day, with daily and weekly missions — and a day-streak that pays milestone rewards on days 3, 7, 14 and 30.

Ranked 1v1 duels — Elo

Live 1v1 duels with your rating at stake — every new player starts at 1200 🛡️. Get matched automatically or open a private room with a join code. Only the server settles rating; friendly play never touches it.

• Start 1200
• Private rooms

Group battles up to 40

Host a group battle with a capacity of 5, 10, 20 or 40 and share the join code — the classroom mode teachers use for live contests.

• 5 / 10 / 20 / 40
• classroom

Themed weekly cup

A weekly cup with a countdown and rotating themes — «The Jungle Challenge», «The Ocean Challenge», «The Sky Challenge»… Reach the top 3 to earn the Cup Podium badge.

• Top 3 = Podium badge

Leaderboards

Four boards: weekly 📅, all-time, friends, and the duel Elo rating — see exactly where you stand.

Friends & invites

Add friends by username and organize them into up to 5 groups. Your invite link pays 50 XP to you + 30 XP to your friend after their first quiz (up to 20 friends) — and the points wallet gifts points with a 5-digit code.

• 5 groups
• +50/+30 XP
• 5-digit gift code

Language mode — 3 tracks

Learn English from Persian across three tracks — Starter, Vocabulary and Daily — with sessions of 10, 20, 40 or 50 questions (up to 8 brand-new words per session) and even language battles.

• Starter / Vocabulary / Daily
• 10/20/40/50

Smart word memory (SRS)

Every word carries a memory state: 🌱 NEW → LEARNING → 🔄 REVIEW → 💪 STRONG → 🏆 MASTERED. Due reviews return exactly when you are about to forget — and «Practice Your Mistakes» turns wrong answers into a dedicated training set.

• Spaced repetition
• Practice missed words

AI personalization

Onboarding asks your age group and up to 5 interests — then questions lean toward what you like and difficulty follows your age cohort.

• Up to 5 interests
• English interface

Word of the Day

A fresh vocabulary card every single day — a small habit that compounds.

Koko Studio — for classrooms

Paste your lesson text (or picture questions) and the AI builds an editable quiz. Host it live with a join code — up to 40 students — then review every single answer per student, with history and per-question reports.

Parent report

A parent opens the parents page (or types the child’s 5-digit code) and sees REAL progress: level, day streak and all-time stats — actual numbers, not fluff.