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## Example: An Educational Game (Requirements)

- The game has four difficulty levels:
  - Level 1: full hours.
  - Level 2: 15 minutes intervals
  - Level 3: 5 minute intervals
  - Level 4: all possible times (1 minute intervals)
- When the player scores 5 points the game automatically advances to the next level.
- The game begins by asking for player's name and starting level.
- After every round the player is asked whether she wants to play more.

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