Spel beschrijving van Portal :
On the screen, various circles. You must click on one of them, it will carry out a rotation of a quarter of turn in the direction of the needles of a watch. If after that, the line of the circle touches the line of another circle, the other circle will be put moving, and so on. The goal: To make carry out with the circles the most sequences and rotations to fill the bar with energy in top of the screen. You have 3 tests per level and the re-initialized table between each test. The more one goes up in the levels, the more it is necessary to calculate his blow before clicking!
Portal is ontworpen door Game Sheep, gespeeld 89010 keer bij T45ol.com.