You've reached a page on the Ren'Py wiki. Due to massive spam, the wiki hasn't been updated in over 5 years, and much of the information here is very out of date. We've kept it because some of it is of historic interest, but all the information relevant to modern versions of Ren'Py has been moved elsewhere.
Some places to look are:
Please do not create new links to this page.
To make the game start up fullscreen initially, open options.rpy, and change the line that reads:
config.default_fullscreen = False
to
config.default_fullscreen = True
To make this setting take effect, close Ren'Py, delete game/saves/persistent, and then re-launch your game.