File extension Details of GRF, GB, GCF, SFD, NES, SUB

Name:	GRF
File Type:	Ragnarok Client Archive
Popularity:	3
Category:	game
File Description:	Compressed file archive used by Ragnarok Online, a Korean multiplayer game; includes compressed images, sounds, and other data files loaded by Ragnarok; installed with the other game files and are named "data.grf" and "sdata.grf." The contents of a Ragnarok GRF file can be browsed and extracted using GRF Factory, a free utility available at neatocool.com.
Open Programs:	Windows Used by Gravity Co. Ragnarok Online Browse with GRF Factory

Name:	GB
File Type:	Game Boy ROM File
Popularity:	3
Category:	game
File Description:	Read-only memory (ROM) file containing Game Boy game data; contains an exact copy of the data from a Nintendo Game Boy cartridge; can be played on a Mac or PC using Game Boy emulation software.
Open Programs:	Mac OS Visual Boy Advance Boycott Advance Windows Visual Boy Advance Basic Boy BGB TGB Dual KiGB gnuboy

Name:	GCF
File Type:	Game Cache File
Popularity:	3
Category:	game
File Description:	Cache file used by Valve Corporation's Steam game development software; contains a virtual file system that may include metadata, file fragments, checksums and other data; used for updating Valve software. GCF was originally and acronym for "Grid Cache File," but now stands for "Game Cache File;" it is the format used for storing official Steam games and for downloading official content; GCF files are not meant to be manually altered by the user.
Open Programs:	Windows Valve Steam or GCFScape

Name:	SFD
File Type:	Sofdec Dreamcast Movie
Popularity:	3
Category:	game
File Description:	Video format used by Sega Dreamcast video games
Open Programs:	Windows Sega Dreamcast Movie Creator

Name:	NES
File Type:	Nintendo (NES) ROM File
Popularity:	5
Category:	game
File Description:	ROM image of a NES (Nintendo Entertainment System) video game; contains the same data as the original NES cartridge; can be played on a Mac or PC using NES emulation software.
Open Programs:	Mac OS RockNES iNES Nestopia Other NES emulator Windows VirtuaNES FCE Ultra Jnes FakeNES NesterJ Nestopia Other NES emulator

Name:	SUB
File Type:	SubTerra Level File
Popularity:	3
Category:	game
File Description:	Game level for SubTerra, a 2D puzzle game that requires players to use thoughtful planning to collect gems and complete each level; contains level layout information as well as objects and events included in the the level.
Open Programs:	Windows Crystal Shard SubTerra