RPG elements, ok shoot me, but the multply endings was a start.
I think there's a lot of potential with the possessing system, expecially with recent innovations. You can play how you want.
Feel like sneaking in and saving as many people as possible, solo as abe, this will be tedious, but you will get more praise by your people from it, and you are saving lives will you're at it, from both sides. You won't attract attention, and through stealth, wits and puzzles, you'll get around.
Hungry for action elements? Posses a slig and go out rambo, it would be nice if the angle was switched to FPS, or at least that the game would be shooter freindly, more like SW.
You will kill your own mudkons, no doubt in the choast, or it'll at least be extremly hard not to, but your slaughtering your enemy while you're at it, they won't get away.
Or maybe posses a Glockon executive, and sneak your way through the facilty, hiding from your own emplyees, using your persuasive abilities to get where you want, hell, you may end up aiding the inudstralists in order to help the mudkons, but then they might see you as a traitor.
I like the puzzle elements in the 3d MO, and they did work, but unless it's some as innutive as Portal, I'd like to see something fresh.
So back to what I said earlier, RPG elements, choosing your own path, character costumisation (clothes, etc.) (But this would NOT be an Abe game), maybe even convesation choices, or at least advancements to the speaking system already in place with the Abe games.
Also, playing things we've never seen before, look at COD 4, that game was full of it, jumping out of a sinking ship, sneaking past an army, I want moments like that.
__________________
|