.ACTX File Extension
File TypeDS Game Maker Action Description File
What is an ACTX file?
File used by DS Game Maker, a program that allows developers to create games for the Nintendo DS; contains a description for a corresponding .ACT action file; used for storing explanations of custom actions.
DS Game Maker includes several ACT and ACTX files with the game installation.
NOTE: Invisionsoft DS Game Maker is no longer developed.