probably a while, Mist was indev for quite some time. If you're getting impatient you can download the Ren'Py sdk from https://www.renpy.org/latest.html and the blender sdk from https://www.blender.org/ and see how long a game takes to make.
probably a while, Mist was indev for quite some time. If you're getting impatient you can download the Ren'Py sdk from https://www.renpy.org/latest.html and the blender sdk from https://www.blender.org/ and see how long a game takes to make.