Use Case 2--Initialize Game

Context of use:
The user decides what he wants to do with the Pac Man game: Play Game, Play Saved Game, View High Score, Set Levels, or Change Controls
　

Scope:
J2ME Pac-man Game Application

Level:
User Goal

Primary Actor:
Mobile Phone or PDA User
　

Precondition:
Player wants to play PacMan
　

Minimal Guaruntees:
The game will successfully load and the user will be given the introduction screen with options to choose from.
　

Success Guaruntees:
Player finishes the game and is moved on to the end game use case.
　

Trigger:
Player chooses to load PacMan from cell phone or PDA
　

Main Scenarion:
　

• 1. PacMan application has started, main menu is displayed
  　
• 2. User chooses one of the main menu options - Play Game, Play Saved Game, View High Scores, Set Levels, Change Controls, Exit
  　
• 3. Program continues on to use case of whatever the user chose.
  　

Extensions:
　

• 2a. User chooses an invalid option
  　
• 2b. Program loops until user chooses a valid option
  　

Technology and Data Variations:
None
　

Related Information:
PacMan Use Case 2 Sequence Diagram
PacMan Use Case 2 Class Diagram
PacMan Package Diagram
Pac Man Use Case Model