To the extent that an official stance exists at 2010, it is that There is no practical limit to the number of topics it can cover but there is an important distinction between what can be done, and what should be done, the latter being the subject of the policy What Wikipedia is not.
The original Game Boy, launched in 1989 for a mere $89.99, would only cost $169.73 today (at a 88.6 percent inflation rate). Game Boy Color, released in the summer of 1998 for the low sum of $69.99, would cost only $100 today, with a 40.4 percent inflation rate. Game Boy Advance continues the trend, launching in the early summer of 2001 for $99.99, the equivalent of $132.12 today.
This cost covers crafting the user experience within the app as well as the architecture of its game play. Again, the client generally provides for all content and media. These content are then plugged into the app as it is programmed. A game app could cost as little as $10,000 to as much as $250,000. It is quite difficult to provide a ballpark figure for developing a game, however, to provide a benchmark, the popular mobile game Angry Birds cost between $125,000 and $180,000 to develop.