Crossword of the week: National Video Games Day (12 September)

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Across
  1. 4. Secret code or exploit for an advantage (5).
  2. 6. Tough enemy at the end of a level (4).
  3. 8. Mode allowing players to compete or cooperate online (11).
  4. 9. Plan or approach to succeed in a game (8).
Down
  1. 1. Player's life points or hit points (6).
  2. 2. Section of a game with its own challenges (5).
  3. 3. Item that enhances a player's abilities (7).
  4. 4. Gaming platform like PlayStation or Xbox (7).
  5. 5. Player's digital representation in a game (6).
  6. 7. Mission or objective in a video game (5).