Combine portals is a first person game based on the game Half-Life 2. In the game the player hast to save the past-present and futer world from the combines. The reason is that the combines have come acros a new tecnolagy with thay can use to travel threw time to invade the earth of the past. But thair first atemt faild and Gordan Freeman is shot threw time as the combines device explodes.
One of the energy conduits of the ancient time machine witch will be used by the player to save the world frome the combine.