Chrguessr

Daily Challenge (solo)

1. Every day, each of these categories — Anime series, Anime character, Video game series, and Videogame character — gets a new secret character at three difficulty tiers: Easy, Medium, Hard.
2. Ask up to 16 yes/no questions and make up to 5 guesses, in any order — search for a question in the list instead of typing it free-form.
3. Running low on questions? Trade one guess for a free hint that reveals a real fact about the character.
4. The fewer questions and guesses you use, the higher your score — up to 10,000 points per tier.
5. Come back the next day for a brand-new character in every category, and keep your streak going.

With friends (multiplayer)

1. Everyone gets a secret character: every OTHER player can see it, but not you — not until you solve it, give up, or the round ends.
2. Turn order is randomized and rotates between connected players.
3. On your turn you can ask ONE yes/no question and make ONE guess, in either order.
4. Heads up: guessing — right or wrong — ends your turn immediately. If you guess before asking, that question is gone for this turn.
5. Use everyone else's answers plus the shared clue to figure out who you are.
6. Ending rule: in "Race" mode, everyone else gets one final guess once someone solves; in "No limit" mode, the round waits for everyone to finish.