Market

1. Game design should base on the game business mode.

2. Market segment refers to player group which are divided by culture, pay ability, skill, habit and technical condition.

3. A good market strategy is to find a undeveloped market segment while this strategy may take high risk and hard to implement.

4. Game compose of a serious of market value and those are designed for attract some player groups.

5. Use the value curve to demonstrate all of your game's market value, and make sure that your strongest market value is better than any competitors.

6. Creating market value take energy and resource, and new market value may not combine well with those existing market value, so just focus on few target and make it great.

From: http://gamerboom.com/archives/59080