From Ren'Py

Ren'Py 4.0

Ren'Py 4.0 was released on September 6, 2004. It comes with a (new, relative to the preview release) demo game intended to show off some of the features of the new engine.

• Download the release, including source and Windows binaries. (2.9 MB)
• View the included Ren'Py tutorial.
• View the script of the demo.