The Educational Game Format (EGF) is an open file format designed to provide a simple and portable standard to represent, package, and play educational games. The objectives of EGF are to make educational games easier for educators to author and easier for learners to access worldwide. The format is explicitly designed for interoperability: any EGF-compliant Editor MUST produce EGF Packages that can be correctly opened and played by any EGF-compliant Reader that supports the features used in those files. EGF Readers and EGF Editors may be implemented as Android applications, iOS applications, web applications, or other types of software. Official website of the EGF format: https://www.egf-format.org