Portal Prelude For those looking for some more Portal action, a free mod, Portal Prelude, has been released. More info - http://www.portalprelude.com/ You'll need to have Portal installed and it's a 775meg download. Both GA and Internode have it. http://www.gamearena.com.au/downloads/details.php/portal-prelude-v100-mod-for-portal http://games.on.net/file/21302/Portal_Prelude_v1.0.0 I've downloaded but haven't installed yet. Will let you know what it's like once I've given it a run.