Numdle
A daily number-sequence puzzle you can actually solve.
150 hand-curated levels
30 free starter levels plus 120 premium levels across difficulty tiers and categories.
One daily puzzle
A fresh sequence each day. Build a streak, share your result, archive past dailies (Pro).
Hints, never spoilers
Staged hint flow. Stuck for good? "Show Answer" appears after repeated attempts.
Offline, no account
Works on the train, plane, or in the basement. Local progress, no sign-in.
Zero tracking
No ads, no analytics, no third-party SDKs. Your puzzles stay yours.
Independent + EU-hosted
Flutter app, built by an independent developer, served from EU edge servers.