Numera: Math Riddles & Duels

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Content rating
Everyone
10+
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Content rating
Everyone
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About this game

Solve clever math riddles in seconds, risk your pot in the Countdown Cauldron, and go head-to-head with players around the world every day. Numera is the fast math-riddle game for everyone who loves mental math — free, no sign-up, playable instantly.

No login, no paywall: tap Start and your first riddle is already there.

FOUR MODES, ONE BRAIN WORKOUT
• Daily Riddles: 10 fresh puzzles every day — your daily ritual to keep the streak alive.
• Countdown Cauldron: push your luck! Every correct answer multiplies your pot. Keep going, or cash out before the cauldron boils over?
• 1v1 Battle: fast real-time duels against other players, or private friend lobbies with a join code.
• Endless: train without limits and chase new best times.

RIDDLES THAT CHALLENGE YOU
Number pyramids, shape equations, sequence logic, balance puzzles and more — from a gentle warm-up to a real brain-teaser. Pure mental math, number puzzles and logic, presented cleanly and distraction-free.

PROGRESS THAT PAYS OFF
Earn XP, level up, complete daily quests and unlock 20+ achievements. Collect coins and prestige points, and equip titles, frames, themes, avatars and victory effects in the shop. Climb global and per-mode leaderboards, and grab exclusive rewards in the monthly season.

FAIR & FREE-FIRST
Numera is free to play and stays that way. No gameplay behind a paywall and never an ad mid-puzzle. Ads appear occasionally between rounds; rewarded videos for hints or a second chance are always started by you.

Save your progress anytime with Google, a magic link or a passkey.

Ready? Your next riddle is waiting.
Solve daily math riddles, risk it all in the Cauldron and duel friends 1v1.
Updated on
Jul 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Willkommen bei Numera! Täglich neue Mathe-Rätsel, der neue Kessel-Modus (Push-your-luck ums Risiko), 1v1-Battles und Freunde-Lobbys, Endlos-Modus, Bestenlisten, Saison-Pass, 22 Erfolge und ein Shop mit Kosmetik. Frisches Neon-Design, komplett auf Deutsch und Englisch. Kostenlos, kein Account nötig. Viel Spaß beim Rätseln!