The basic definition of video games that fall into the online PC genre of strategy games are those where the participant has to be fully away of their actions at all times in order to build a strategic plan for tackling and completing the game using advanced planning techniques a skilful thinking. In some ways, strategy games are a more advanced version of a carefully played board game such as Risk where calculated moves and decisions add up to a victory at the end.
Within the genre of strategy games there are a few larger subsets that make up the entire order of games known as 4x, Artillery, real time strategy, turn-based strategy, and war games. Although these strategy games may differ from each other completely in the sense that game play proceeds in a drastically different path, each form still fulfils the basic level of thought which includes planning carefully towards an eventual victory.
Given the wide range of games that fall into the strategy genre of PC video games, it is not uncommon to see many games that fall into the strategy genre overlap with other genres such as action, shooter, role playing, and simulation games. In truth, these games such as Diner Dash, World of Wars, and many others are actually more accurately defined when looked at from a broader definition of strategy and another classification. The important guideline to remember is that a strategy game requires skilful thinking, as opposed to just skilful game play and dexterity.