Phoenix Wright sidesteps these common pitfalls from the genre by being very specific by what it asks from the players. By framing the action in a fairly understandable setting, a courtroom, the player already knows 50 % of what he`s wanting to do: exonerate his client while indicating the guilty party. How does he do this? The game quickly explains: find contradictions in testimony. Already, you`ve got a clear goal and a clear methods to achieve it. To get a person to admit these are lying, you don`t have to develop a functional lie detector from a squirrel, magnets, plus a chocolate tart you have at the beginning of chapter one, you just have to present evidence that contradicts their testimony. If you don`t, their testimony stands, and since the testimony is, more often than not, your client is accountable for murder, then you lose. You`ve got your main goal, the stakes of failure, along with the ways of achieving your goal fine before you, along with the whole thing is largely intuitive, because in the universality from the courtroom setting.