 "KScripter" is a Flash-based scripting engine that was inspired by "NScripter" but uses ActionScript and SWF.The "Ren'Py Visual Novel Engine" is a free software engine.Ren'Py is a portmanteau of , the Japanese word for 'love', a common element of games made using Ren'Py; and Python, the programming language that Ren'Py runs on.