Extension_Maker - hpgDesigns/hpgdesigns-dev.io GitHub Wiki

An Extension Maker is any tool designed for creating and editing Extensions for Game Maker and/or LateralGM.

Generally, it deals with files of the following formats: DAT, GEX, GMP, and GED.

Currently, the only known Extension Maker publicly available is the one provided by YoYo Games: 1 (also includes the Library Maker).