In Chapter 7, there's a quest that involves restoring one of your hideouts' access to running water. To do that, you need to go through one of the most overrun, dangerous parts of the slums of Moresby and shut off five fire hydrants. It sounds difficult... until you're invited to use the pickup truck parked outside, at which point the mission turns into Carmageddon. If there's anything in this game that feels better than slamming into a charging Ram at sixty miles an hour, I'm not sure what it is.
Finishing the game solely on single player. Several sections of the game are clearly designed to be dealt with by multiple people and managing to face them down all on your own is a rewarding feeling.
Going into rage mode as Sam B. Unlike his friends who use weapons Sam B uses his own two fists. Those DemonicSpiders blocking your path? BEAT THEM TO DEATH WITH YOUR BARE HANDS!!! Even better is when you fully upgrade Sam's rage skill tree... which allows you to send enemies FLYING!
While we're talking about Sam B, he has this skill that lets you knock enemies out of your way when you sprint into them and boy, is it awesome.
Here's one. First step: get more zombies than were crowding around the boat in the Riptide trailer after you. Step two: run up onto a car or a bin where they can't get you. Step three: pull out a weapon that will hit them and take out the thirty to one odds at your leisure. That's what you do when all hope is lost, you kick ass.
"Stay together, I'll kill you faster." Xian says this when finding a group of criminals during the Lady in Trouble mission. The one where Jin is kidnapped and there is no doubt whatsoever what the criminals do to her. Now you're talking.