You wouldn't think you could get by in a 16-man online multiplayer mode with only a sledgehammer a rocket pack; but Red Faction Guerrilla proves you can.
Seriously, all you have to do is get chased into a building, find the right load-bearing wall, shatter it with your hammer and then rocket out the nearest window before the whole thing caves in on your attackers. Genius, comrade!
Red Faction Guerrilla's multiplayer modes come in two flavors: the traditional online shoot-em up modes (capture the flag, death match, etc.) and a party mode called wrecking crew where you try to out-do other players by causing the most amount of damage under different sets of special conditions. Keep it here for a full preview in about an hour and in the meantime, enjoy the new screens: