Unlock all other Achievements found in the game
Survive 30 waves in Multiverse Madness
Buy everything available in the Store
Complete all secondary objectives
Earn 21 stars in Challenge mode
Survive 15 waves in Multiverse Madness
Earn 10 stars in Challenge mode
Complete the "Chicken Fight!" level
Complete the "Chickens In Space" level
Complete the "Santa's Sweatshop" level
Kill Vernon
Acquire any collectible special inventory items and use it 25 times in Story Mode
Complete the "Long John Peter" level
Kill 500 enemies using Stewie
Collect $50,000 in Story Mode
Burn the pot fields in the "Something's Amish" level
Complete the "No Cheese, Please" level
Kill 500 enemies using Brian
Complete the "Pussy Whipped" level
Kill 60 enemies with grenades/explosives
Complete the "Handicapable" level
Complete the "Something's Amish" level
Complete the "It's All Greek To Me" level
Kill 75 enemies with headshots
Perform a multi-kill with a melee weapon
Destroy all of the piñatas in the "It's All Greek to Me" level
Switch between Brian and Stewie 10 times in Story Mode
Shut out the other team from scoring in Capture the Greased-Up Deaf Guy
Win a Capture the "Greased-Up Deaf Guy" match
Get a 10 kill streak in Deathmatch
Kill an enemy with a single shot to the head
Successfully kill an enemy with one shot
Defeat 10 enemies with a melee weapon
Perform a multi-kill with a grenade
Win a Deathmatch mode (free-for-all or as a team)
Kill yourself with a grenade or satchel charge
Taunt 25 times in any Multiplayer match
Kill Meg during any Multiplayer Match
Taunt 5 times in a row with Peter
Kill 3 members of the opposing team with a melee attack before you die in Multiplayer
Successfully complete your first kill of an opposing team member in Multiplayer
Choose Meg for a Multiplayer match
Complete the "No Place Like Home" level
Win an Infiltration map
Taunt a dead opponent with Quagmire in Multiplayer
Play poorly during the final showdown
Smash your opponent into something 20 times in the "Chicken Fight!" level
Hang around the room with Quagmire in a baby costume for 30 seconds