Once

Contains ads
Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

ONCE is a minimalist puzzle game built around a single rule:

Draw one continuous line and trace every segment exactly once.

Lift your finger? Fail.
Trace a segment twice? Fail.
Miss even one line? Fail.

Just you and the maze.
Updated on
Mar 21, 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.
This app may share these data types with third parties
App activity and Device or other IDs
This app may collect these data types
App activity and Device or other IDs
Data is encrypted in transit
Data can’t be deleted
Content rating
Everyone
Learn more

App support

About the developer
Robin Benedičič
gamesbyrobin@gmail.com
Slovenia