Grand Theft Auto IV

A collection of tutorials related to player and ped modifications can be found here, such as how to mix and match mesh parts and work with models using GIMS IV.

All sorts of vehicle modification related tutorials can be found here, such as how to apply templates and lighting equipment.

Tutorials related to modifying data files and creating scripts can be found here, such as how to change weapon damage values and the basics of scripting using the .NET Scripthook.

A number of useful guides and tutorials on texturing can be found here, including things such as making realistic liveries and working with ped textures.

Psst, don't tell anyone you saw me.