I was wondering if anyone knew about the multiplayer capabilities of this game. I saw in a gameplay trailer they mentioned that it has hot seat multiplayer with two friends, and I'm wondering what that means. 
 
Is there coop? 
How many people can play multiplayer and what kinds of modes are there? 
If there's a max cap of players, can people spectate? 
 
Thanks guys

Erm have you played any of the HoMM series before?
It's a turn based strategy.
There is no coop per-se.
There is multiplayer with upto 8 players (at least that's what in the beta so far)  any of the players can be substituted for AI or disabled.
You can create any number of teams, so yes in that way you can be in an alliance with another player.
Spectator mode is not in the demo, but honestly this is not a kind of game that needs spectator slots.
 
As far as modes go I'm not sure, there are 3 options atm plus custom settings, but I'm still going through the beta since it was only released yesterday. 

EDIT: forgot to mention - yes there is hotseat functionality

Erm have you played any of the HoMM series before? It's a turn based strategy. There is no coop per-se. There is multiplayer with upto 8 players (at least that's what in the beta so far)  any of the players can be substituted for AI or disabled. You can create any number of teams, so yes in that way you can be in an alliance with another player. Spectator mode is not in the demo, but honestly this is not a kind of game that needs spectator slots.  As far as modes go I'm not sure, there are 3 options atm plus custom settings, but I'm still going through the beta since it was only released yesterday.

@Tennmuerti said:

Erm have you played any of the HoMM series before? It's a turn based strategy. There is no coop per-se. There is multiplayer with upto 8 players (at least that's what in the beta so far)  any of the players can be substituted for AI or disabled. You can create any number of teams, so yes in that way you can be in an alliance with another player. Spectator mode is not in the demo, but honestly this is not a kind of game that needs spectator slots.  As far as modes go I'm not sure, there are 3 options atm plus custom settings, but I'm still going through the beta since it was only released yesterday.

What this gentleman said. Maybe you're getting a misrepresentation of this game, but as far as I can tell Heroes VI is still probably a turn based strategy game. And it's way too slow for any sort of spectator mode. If you want to really take a look, the first 4 games of the series are on Good Old Games, and the 5th one is on steam.