File Format Index

File signatures

Most of the listed file formats start with a magic number to make them easier to identify. You can check the file signature with a hex editor:
Go to hexed.it, open a file, and see what the first bytes spell out.

ID / Name	File Ext.	Category	Description	Games
`FLCG`	`.gcl`	Models	Collisions meshes	`NMH` `NMH2`
`GAN2`	`.bin` `.ga2`	Anim		`NMH` `NMH2`
`GCT0`	`.bin` `.gct`	Texture	GHM texture format	`K7` `NMH` `NMH2`
`GDLG`	`.gdl`	?	Packed with fonts	`NMH` `NMH2`
`GMF2`	`.gm2`	Model		`NMH` `NMH2`
`RMHG`	`.pak` `.rsl`	Archive		`K7` `NMH` `NMH2`
`RSAR`	`.brsar`	Audio	Wii audio archive.	`NMH` `NMH2`
`RSTM`	`.brstm`	Audio	Wii audio stream.	`NMH` `NMH2`
`SCR0`	`.scb`	?	STG/COMMON NMH1	`NMH`
`SEST`	`.bin`	Audio	SFX table	`NMH` `NMH2`
`STMD`	`.bin`	Audio	SFX timing?	`NMH` `NMH2`
`STSD`	`.bin`	Audio	SFX	`NMH` `NMH2`
`STRIMAG2`	`.bin`	Font		`K7` `NMH` `NMH2`
`THP`	`.bin`	Video	Movies	`NMH` `NMH2`
.dat (GC)	`.dat`	Model	GC model format	`K7`

This list is non-exhaustive.