.GB1 File Extension Information

What program uses .GB1 file extension?

Program : Game Maker Backup
Program Website: Game Maker Backup
Company : Mark Overmars
Company Website: Mark Overmars

Extensions starting with

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | #-0-9