Portal: The Flash Version Absolute genius!
The is one of the best flash games ever created.
So inventive and just downright fun to play.
The is one of the few games that I've spent a large amount of time playing. Normally I play a flash game for about an hour before getting tired of it, but this is an exception. I've been playing it for days now. I've just got onto level 39 and I have to say I'll be thoroughly unhappy when I complete it (much like I was with the real Portal)
It lives up to the original but is different and unique in it's own way.
One goddam addictive puzzle game that'll keep you coming back for more.
BRILLIANT!
P.S. Make more levels :)