@ Sixto: An infinite loop is when you create two portals that drop you into the other, causing you to fall endlessly into the portals. It gives you a great speed and velocity boost.
Why make the Armor upgrade the most expensive only to purchase the 1st upgrade? It makes no sense since you have to play 2 or 3 levels in the beginning of the game just to upgrade it once.
I was at level 7 and 1 of the Gunner Bro. hit me and I Died in 1 hit. WTF.
And those damn pylazer things are annoying as hell. Too fast to catch and they always run into me after a while...
Anyway time for a real comment:
Love the music. One of the pieces almost made me cry, it just plucked my heart strings in that way. I would love to have the sheet music for these pieces.
Can't play it. I have no other tabs open and it says that there's a Sound Conflict because something else is emitting sound. I hit Resume and Restart and it doesn't work.
 "Tetraform"){kind=icon}
 "Hell Tour"){kind=icon}
 "Level Up!"){kind=icon}
 "Infectonator!"){kind=icon}
 "Effing Hail"){kind=icon}
 "me and the key"){kind=icon}
 "Hitz!"){kind=icon}
 "Portal: The Flash Version"){kind=icon}
 "Crush the Castle"){kind=icon}
 "Magicka"){kind=icon}
 "Hidden Alphabet 6"){kind=icon}
 "Choose your 2012"){kind=icon}
 "Wake Up the Box"){kind=icon}
 "The Tickler"){kind=icon}
 "Crush the Castle Players Pack"){kind=icon}
 "Music Catch 2"){kind=icon}
 "Cake Pirate"){kind=icon}