1 Harf 1 Soru: Bilgi Yarışması

One question for every letter, timer is running! 1 Letter 1 Question is a Turkish general knowledge quiz and word game where one question is asked for each letter from A to Z. Over 17,000 questions, 10 game modes including KPSS general knowledge mode, Puzzle of the Day, ranked match and duel with a friend.

Guess the answer, the letter turns green; if you don't guess, skip and return to that letter at the end of the round. 28 letters, and a bonus question that doubles your score awaits you at the end. History, geography, science, literature, cinema, sports, idioms and proverbs: different questions in each round, questions you see won't easily reappear.

PUZZLE OF THE DAY
The same questions for everyone every day. Play once a day, see your place in the daily ranking, and share your result with your friends using boxes 🟩🟨🟥. Answers are not visible in the shared section. Don't break the streak!

RANKED MATCHES AND LEAGUES
Match with an opponent close to your level, answer the same questions simultaneously. Your league points increase as you win: Rise from Bronze to Master, see your name on the league table.

DUEL AND CHALLENGE WITH A FRIEND
Create a room, send the invitation link: the same questions, live score, one-touch rematch. Or challenge your friend with the questions from the round you finished, who will know more?

KPSS GENERAL CULTURE MODE
If you are preparing for KPSS and YKS: one history or geography question for each letter, medium and difficult weighted. See the correct answers to the ones you didn't know at the end of the round, review every day.

10 GAME MODES
• KPSS General Culture: History and geography, for exam preparation
• Classic: One general culture question for each letter, 4 minutes
• Lightning: 60 seconds, no passing
• Hidden Letter: Letter hidden, order mixed; • Chain: Consecutive correct answers multiply your score
• Football: Current squads from 10 major leagues. Which team does this football player play for? • English: Write the English translation of the Turkish word, test your vocabulary
• Name-City-Animal: Our childhood word game, without pen and paper
• Sudden Death: The game ends on the first mistake
• Easy Mode: Suitable for everyone, family play, with letter count hint

JOKERS, ACHIEVEMENTS AND AVATARS
Complete tasks, earn jokers: Letter Count, First Letters, Change Question, Extra Time and rare Golden Joker. Unlock 116 achievements; customize your avatar with icon, background, frame and name color. Common, Rare, Epic, Legendary: can you collect them all?

FAIR GAME
Questions, time and score are checked on the server; answers are not downloaded to your phone. No account form, we don't ask for email: open and play.

(Unlocks when you answer) If you enjoy question-and-answer games, quizzes, and word puzzles, then 1 Letter 1 Question is perfect for you. Did you find an incorrect question? Report it using the flag on the results screen, and let's correct it together.