*raises hand* I want a Friday the 13th video game!
I have a feeling I'm in the minority, but I'd prefer a game where you escape Jason to one where you are Jason. Mostly, I feel it'd be difficult to make a game where you are Jason challenging; not so much because he's indestructable as because he's so powerful. You'd have to start bringing in other superhumans for challenging bosses, and (again, I'm probably in the minority here) while a slasher free-for-all might be fun in the future, I want Jason's first next-gen video game to be all about
him.
Therefore, in my dream escaping-from-Jason game, I'd like as big and as movie-accurate a Crystal Lake and outlying areas as is mechanically feasable. I definitely want the ability to visit the town proper (where we saw Annie in the first film), as well as Higgins Haven, Tommy's house and the nearby rental property, etc.
The character is designed by the player, Elder Scrolls style, and has the freedom to interact with the people at the various locations, buy things in town, (when s/he gets to them). This character went camping with his/her friends in Crystal Lake, but wakes up in the middle of the night to find them missing. In the introductory level, you'd find your friends' corpses in grisly repose, then be chased by Jason. Your character would get away (for now), but once they got into town, they'd find help surprisingly difficult to come by...
My biggest wish for the game is that it would be scary. A little freedom to explore and mess around would be okay, but I wouldn't want anything included that would detract from the fear factor. I think the townspeople should be mostly guarded, if not outright unfriendly; they're in terror, and they think you're aggrivating it, if not bringing it down on them. While the player shouldn't be "pushed," s/he should never really be comfortable, either. Also, atmosphere should be ratcheted up to the max. I don't mean every location you enter should be a blood-splattered rusting hell (although designers should not shy away from those where they're appropriate); but nowhere should feel harmless or welcoming (unless it's in a cloying, "Yes, come in... and never leave!" sort of way). The ultimate goal would be to escape Crystal Lake.
...
On a side note, speaking of the Elder Scrolls (specifically, Oblivion), once I decided to make a Breton mage who looked like Dana Kimmel and name her Chris Higgins (not surprising behavior from me). What's funny is, after accidentally killing an ally in a skirmish, she wound up in the Dark Brotherhood. Y'know, where you're trained to be, in essence, a slasher. Then she got to face off against its final boss... you know, the one who keeps his dead mother's severed head in his basement and brings it "offerings" of the people he's picked off? That was
great.