Warhammer 40,000: space marine?

i understand that the new warhammer game has a sort of "horde" mode in it, wherein you fight waves and waves of enemies until you win or fall on your face dead. what i want to know is if warhammer 40,000: space marine is ONLY single player or can two players play on the same console at a time?Warhammer 40,000: space marine?
Exterminatus(the Horde mode) does not allow two player's on the same console to my knowledge, unfortunately, 2 player's on the same consoles got canned(just about) ocne the original Xbox got thrown out, but if you want a 40K game that;s fun and 2 player, try out "Kill Team" from Xbox live arcade.