Here's a brief sample from GameReplays.org's latest article, Kane's Wrath Hierarchy of Needs:
In a game, every player's morale is totally dependent on motivation. This motivation can be classified under Maslow's Hierarchy of Needs by looking at it from a different angle. Meaning, we would replace the five levels with something else, and the level of needs interchanged between early, mid and late game. It's called The Kane Wrath's Hierarchy of Needs. But before we start, let's see what Maslow's Hierarchy of Needs is, in a nutshell.