Family Guy: BTTM

You've switched between Brian and Stewie 10 times

You've killed 75 enemies with headshots

You completed the "Chicken Fight!" level

You completed the "Chickens In Space" level

You've destroyed all of the piñatas

You've successfully killed Vernon

You completed the "Handicapable" level

You got your first head shot

You used the collectible special inventory items 25 times in Story Mode

You killed yourself with a grenade or satchel charge

You've killed 60 enemies with grenades/explosives

You completed the "It's All Greek To Me" level

You killed 500 enemies using Brian

You completed the "Long John Peter" level

You successfully performed a multi-kill with a melee weapon

You successfully performed a multi-kill with a grenade

You completed the "No Cheese, Please" level

You completed the "No Place Like Home" level

You've completed all secondary objectives

You've killed an enemy with one shot

You've successfully collected $50,000

You hung around the room with Quagmire in a baby costume for 30 seconds

You completed the "Pussy Whipped" level

You completed the "Santa's Sweatshop" level

You burned the Amish pot fields

You completed the "Something's Amish" level

You killed 500 enemies using Stewie

You defeated 10 enemies with a melee weapon

You smashed your opponent into something 20 times in the "Chicken Fight!" level