GR*

File Format
Name	GR*
Ontology	Electronic File Formats Graphics GR*
Extension(s)	.gr7 .gr8 .gr9 .gr9p .g10 .g11

GR* is a set of similar graphics formats for the Atari computers with unknown origin.

Software

• RECOIL

Sample files

• https://telparia.com/fileFormatSamples/image/grStar/