Numera: Math Riddles & Duels

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.