The max number of players will be somewhere between 4 and 8 players (to clarify if yesterday's notes were confusing). The final number will depend on the player count and summons.
They wanted multiplayer in the original Torchlight anyway, and everyone asked for it, so they decided on doing Torchlight 2 first.
The old classes won't be playable.
"New wrinkles" to gamplay to make it more interesting.
Hardcore mode confirmed.
Won't be starting in Torchlight, and not even sure if they will return to the original town in this game.
Each of the three terrains will have their own hub town.
Many more side quests and events to make it more interesting to explore.
The randomized dungeons and outside areas will stay the same in single player until you start a new character.
In multiplayer the player who hosts the seed will determine the randomization of the areas.
Dungeon/Treasure maps will return.
Boss Maps will be available.
They haven't specifically taken any mods from Torchlight 1 and implemented them in Torchlight 2...
...but identification will be less annoying or removed.
Art team is now at 12 people.
Digital Downloads make it easier to sell games cheaply. Developers get very little for a 20 dollar boxed game.
They want the interface to be intuitive and easy.
More pets, likely giving them some unique abilities.
There will be a netbook mode, and the new game should run on "similar" machines.
No plans for an iPad version at this point.
Even now the story is a lot more fleshed out than before.
There will be a special playable build for Gamescom later this month.