У вашего броузера проблема в совместимости с HTML5
Play here:
http://www.eyezmaze.com/eyezblog_en/blog/2006/12/grow_ver1.html#monster
Yeah, there's an inside joke as to why everything on Eyezmaze is in versions but I'll explain that later. I show all the endings for the hell of it in this strange game by On.