Unity 1.6 is going out really soon now. Here is the web player that we are pretty sure is the final 1.6. Please check it out and tell us if everything works fine for you. OS X download PPC: www.otee.dk/download_webplayer_beta/webplayer-ppc.dmg OS X download Intel: www.otee.dk/download_webplayer_beta/webplayer-i386.dmg Windows download: www.otee.dk/download_webplayer_beta/UnityWebPlayer.exe We made quite some changes to support unity<->browser communication, Windows Vista and other things. Please give it a test drive, especially windows version (and try it on Vista if you have it somewhere). Some web players to test against: http://unity3d.com/gallery/main/index.html http://adamsi.com/clockwork http://spielwiese.marune.de/_uni/index.html If you encounter any problems, backwards compatibility issues or crashes: please report the bug with a link to the web player content as soon as possible. Mail to firstname.lastname@example.org or use Report Bug.app (Mac) or UnityBugReporter.exe (Windows, from Program Files\OverTheEdge\Unity\WebPlayer).