Game description of Portal :
Portal is a puzzle game and the game, and this game instruction is from www.t45ol.com. The objective of each level is to open the gate and advance to the next levels. To do that you have to fill the energy bar in the upper side of the screen. Each stone disk rotation produces energy. The disks will activate themselves if the energy lines connecting. Click on any disks and try to produce a energy chain as long as possible.
The online game Portal is a free game to play on PC, Mac or Laptop computers. You can read the game comments below on Portal, which may contain cheats and tricks, cheat codes, tips and full game solutions. You can play Portal for free on Internet, or download this game on your computer to play it off-line. Portal is a game created by Game Sheep, it has been played 68186 times on T45ol.com.