Full list of all 60 Saints Row 2 achievements worth 1,250 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 250 Gamerscore.
Completed all levels of all activities in co-op
Completed all races in Stilwater
Completed all levels of Tow Truck, Fire Truck, Ambulance, and Taxi diversions
Earned 15 Badges in multiplayer
Won all seven Ranked Strong Arm Activities, and won on all seven Strong Arm maps
Won 10 Xbox LIVE Strong Arm matches
Completed all campaign missions in co-op
Completed all Brotherhood missions in co-op
Completed all Samedi missions in co-op
Earned 7 Badges in multiplayer
Found all CDs in Stilwater
Killed all Hitman targets
Played Saints Row 2 in single player or co-op for a combined 50 hours
Completed all levels of all activities
Completed all levels of Mayhem
Completed all levels of Trail Blazing
Completed all Ronin missions in co-op
Completed all levels of Escort
Delivered all the cars to the chop shops
Completed all levels of Crowd Control
Completed all levels of Demolition Derby
Completed all levels of Drug Trafficking
Completed all levels of FUZZ
Completed all levels of Fight Club
Mugged 50 citizens of Stilwater
Completed all levels of Heli Assault
Hit 100 lifetime nut shots
Created and won an Xbox LIVE Party Game
Defeated your partner in a co-op diversion
Completed all levels of Insurance Fraud
Completed all levels of Septic Avenger
Completed the Strong Arm tutorial
Defeated the Ultor Corporation epilogue
Defeated the Brotherhood
Exacted revenge on Julius
Defeated the Sons of Samedi
Grabbed 50 human shields
Completed the Zombie Uprising video game
Completed all levels of Snatch
Got 3 gold stars in Vehicle Surfing
Defeated the Ronin
Threw someone a long, long way
Completed the Saints Revival prologue
Sung along to the radio
Find all stunt jumps in Stilwater
Find all flying stunt locations in Stilwater
Find and spray all 50 tags in Stilwater
Casino rat
Be a hater
Earn 30 Multiplayer Badges
Complete the Ultor Exposed misison arc
Play the Co-op Mission game once
Win the Co-op competitive mission game 5 times
Call Tera as a homie
Host or play in a party match on Xbox LIVE
Complete the Corporate Warfare mission arc
Play the Stuntmen Co-op game once
Win 20 rounds in the Stuntmen Co-op game
Your team needs to hold all tag spots at one time in a Strong Arm match on Xbox LIVE
Won 10 Gangster Brawls or Team Gangster Brawls on Xbox LIVE