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The movie is arguably better made than the game in this context.

As for whether movies or games 'in general' are better - you will find good and bad examples from both forms of media.

As for Ghostbusters? Its largely plagued by bad-to-mediocre games (even if they may still offer something in the form of learning) - and I feel that its fair to place responsibility for this squarely at Activision's feet.