ChainWhich is designed with privacy in mind.
We don't have access to your personal data. Your streak statistics are stored only on this device. Your device also generates and stores a randomly generated ID that we use to track usage in our analytics.
Play without creating an account or sharing any personal information.
We collect usage data (examples: solve rates, attempt counts, device type) to improve puzzles. No names, emails, or personally identifiable information are collected. Country-level location is derived from your timezone for geographic analytics.
We occasionally promote ChainWhich online. These platforms track data about who visits ChainWhich as a result of their ad. We share data back about those visitors in order to measure ad effectiveness. We honor Do Not Track browser settings.