Take the hardcore gamers. The characters are way more real in the world of hardcore gamers who have played the game for hundreds of hours. They have the movie in their heads, they've built it on their own. These guys are always very disappointed in the movies.
Sentiment: NEGATIVE
So if you want to have a great video game-based movie you have to keep the mood of the game, use the normal character setup - but you have to flesh out the story and provide more background for the characters.