The standards that make a good game (complex sci-fi world, silent hero, more emphasis on repetitive action) are not the same standards that make a good movie. Neither standard is inherently better or worse — they’re just different. That means a film adaptation can’t just be a carbon copy of its source material. It has to be inspired, sometimes with new ideas. To inject these new ideas, the filmmakers risk [annoying] fans who want the movie to be exactly what the game was. And thus begins message board backlash. Hence the catch-22.

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