Amazing
This was an incredible masterpiece. Having cleared all the challenge maps in the real Portal I can say they don't hold a candle to the later levels in this game. A few of the later levels I despised but it didn't stop me from clearing it in one attempt.
Very nice gameplay and graphics. Was smooth and fluid.
To be honest I only have one complaint... and its NOT the difficulty. I found the challenging puzzles quite refreshing after too many easy games.
The only complaint is the character's acceleration rate. You just TAP the key and you are moving at full speed. I can't begin to guess how many times I died by just taping left or right and instantly went flying off a cliff or into something equally bad. A more transitional speed would of been nice instead of just STOPPED, FULL SPEED, and INFINITE LOOP DRIVE!
Aside from that its a outstanding game. All those involved in making it need to give yourselves a pat on the back.
Did find a few bugs where stuff just jumped around. And in level 39 I got a box STUCK in the wall, by the top left pressure door.
Actually thinking on it I have to note that the portals themselves were a bit problematic at times. Sometimes I would be denied putting a portal on a space where I had JUST had one before I died. And sometimes instead of alternating the left click made the same color twice in a row.
Music was good, especially the credits (not just because it meant I beat it)
And on one last note: I was half expecting something to kill me when I went for the cake.