Privacy & local storage

Effective 19 September 2026. This notice describes the current, advertising-free release of Gulu Construction Island.

Playing without an account

We do not ask you to register, enter your name, age, email address or phone number, or provide payment information. There is no chat or user upload feature.

Progress on your device

The game stores your language choice, construction progress and treasure records in your browser’s local storage. These game saves are not uploaded to a game account or synchronized between devices. You can remove them through your browser’s site-data settings for this website. Removing data may permanently erase your progress.

Hosting and technical information

Cloudflare delivers this website and its game files. As part of delivering and protecting the service, it processes technical information such as IP addresses and request information. This release does not include a separate analytics SDK, session replay or advertising SDK.

See Cloudflare’s privacy policy for information about its processing.

Children and families

This game welcomes children and families. The current release has no personalized advertising or behavioral profiling. We will update this notice and implement the applicable protections before introducing advertising or new data collection.

Changes

The effective date above changes when this notice is updated. Please check this page before using future features that process additional information.