Johnny Novgorod said:
I'm doing all this brainstorming because I watched the Need For Speed movie this weekend and I left the theater thinking the exact same thing I had walked in with: isn't it just a racing movie with a recognizable brand name stamped on it for added appeal? I know some NFS games have actual plot, conflict and characters, but if you're going to make an NFS movie that is "based on the franchise", all you have are cars to go on. And then what? You could replace The Fast and the Furious 1, 2, 3, 4, 5, 6 or 7 with "Need For Speed" and the claim of being based on the videogame would be just as valid.
I haven't seen NFS yet, but that was something I was thinking about the more I saw the commercials finally popping up on networks like Cartoon Network... Was this movie trying to be like an alternative F&F movie or something?
Anyway, as far as your OT question(s), I feel like adaptations (in general) need to not only respect the source material in question, but also the spirit of the source material... Sure, when anything is adapted to a movie, it has to fit within the realm of how movies are generally structured (unless the movie's independently-funded/produced), but if it lacks most of the kep points in both the lore and the spirit of the source material, it falls flat in the adaption department...
When it comes to video game adaptations (especially in movie form), there has to be some tangible connection to the game itself so that not only can the fans of the video game can connect with the movie more while those unfamiliar with the source material can be more likely to give the video game a try after watching what is basically an introduction to the game itself... I feel like the Ratchet & Clank movie and (maybe) the Sly Cooper movie might do the trick more than the video game movies that came before it...
Which reminds me, outside of Scott Pilgrim (and, I guess, War Games?), most video game-based movies are more animated than live-action, which seems to make the most sense since both mediums are technically "animated" in their own right... That's not to say all video game movies should be animated (or be more like Scott Pilgrim), but that attention to detail can make all the difference in movies like these...
Now, I feel like re-watching Summer Wars all of a sudden....