NewGRF

OpenTTD supports modding the game via NewGRF plug-ins. NewGRFs can alter game play, can replace existing and introduce new graphics, 32bpp or 8bpp, normal and extra zoomed in (compared to the original game).

/File/en/Development/NewGRF/Originalbungalows.png

8bpp

NewGRF development tools

NewGRF usage guide and NewGRF List

Documentation of NewGRF use and installation. Manual to alter the gameplay and graphics files using NewGRF.
And a list of some major NewGRFs.

/File/en/Development/NewGRF/Bungaloes.png

32bpp

Player info

FAQ 32 bit graphics
Playing with 32 bpp graphics

Developer/artist info

32bit Graphics Development - project home
Suggestions for 32bit Graphics Developers
32bpp Graphics
Forum

32bpp NewGRFs (subproject)

Developing 32bpp NewGRFs

Archive / History