OGAME
OGame is a game in real time, where all players interact 24 hours a day, or not connected to the game. This, coupled with the fact that there are players around the world and time zones
OGame make a potentially addictive game.
Each player starts with one planet and assumed the role of an intergalactic emperor. The object is to get the highest score of the universe. In addition, each version of OGame has an official forum in which users can interact and post their best battles, for which there is a classification. Appear in this classification of the best battles could be considered another objective of the game. Each universe is divided into nine galaxies, each with 499 planetary systems. In turn, each planetary system has 15 planets. All universes are mechanically identical, except the University of Anniversary ".
The game begins with a single planet that has, in the Spanish version, 163 spaces available for the construction of buildings, called fields. It starts with a small amount of resources and minimal production, which can be increased by extending the metal and crystal mines or deuterium synthesizers. The energy to supply the mines and synthesizers can be supplied by two buildings power plants and solar plants merger or a type of ship called solar satellite. When building a research laboratory can begin to research other technologies that enable the most advanced construction of buildings as well as different units, both ships as planetary defenses.
To start playing OGame just need to register for free.
Credits: http://es.wikipedia.org/wiki/Ogame