GRF
Item
Realsprites
Recolour sprites
Template
Spriteset
Spritegroup
Spritelayout
Tilelayout
Switch
Produce
Random switch
Cargotable
Railtypetable
If/else
While
Error
Disable items
Deactivate other NewGRFs
Testing for other NewGRFs
Overriding vehicles in other NewGRFs
Sprite replacement
Alternative (32bpp) sprites
Town names
Snow line
Parameter assignment
Setting base costs