From Ren'Py

Ren'Py 4 Preview Release 1

Ren'Py 4 Preview Release 1 was released on August 24, 2004. It comes with a small demo game, intended to show off some of the features of the new engine.

• Download the release, including source and Windows binaries. (2.0 MB)
• View the included Ren'Py tutorial.
• View the script of the demo.