Full list of all 83 Saints Row: The Third achievements. It takes around 50-60 hours to unlock all of the achievements in the base game on Windows.
The base game contains 53 achievements, and there are 3 DLC packs containing 30 achievements.
Complete all instances of Activities in Co-op.
Beat all Missions in Co-op.
Play SR3 Co-op for 5 hours.
Customize 10 vehicles.
Complete ALL Challenges.
Play for at least 2 hours as a male character AND 2 hours as a female character.
Steal and deliver all Vehicle Theft targets.
Spend over 30 hours in Steelport.
Kill all of the hitman Assassination targets.
Create and share a character online.
Complete all City Takeover gameplay in the Stanfield district.
Complete all City Takeover gameplay in the entire city of Steelport.
Destroy all Gang Operations in Steelport.
Complete all City Takeover gameplay in the Carver Island district.
Complete all City Takeover gameplay in the Downtown district.
Complete all City Takeover gameplay in the New Colvin district.
Complete all instances of Tank Mayhem.
Complete all instances of Snatch.
Complete all instances of Escort.
Complete all instances of Trafficking.
Complete all instances of Heli Assault.
Complete all instances of Professor Genki's Super Ethical Reality Climax.
Complete all instances of Insurance Fraud.
Complete all instances of Mayhem.
Complete all instances of Trail Blazing.
Kill 25 Gang Members each with 'the Penetrator' AND the Fart in a Jar.
Fully upgrade one Weapon in each slot.
Upgrade one Stronghold to its full glory.
Kill 50 brutes.
Taunt AND/OR Compliment 50 gang members.
Complete Act 1 in another way.
Do your first nutshot AND testicle assault.
Find 100% of all Collectibles.
Find 25% of all Collectibles.
Complete Act 3 in another way.
Complete Act 3 in one way.
Complete 'Murderbrawl XXXI'.
Kill 1000 Gang Members.
Complete 'Zombie Attack'.
Buy your first Upgrade from the Upgrade Store.
Complete Act 2.
Complete 'http://deckers.die'.
Complete 'STAG Party'.
Complete 'The Ho Boat'.
Complete your first Challenge.
Explore every hood in Steelport.
Hijack 50 vehicles - Dukes style.
Complete all instances of Guardian Angel.
Complete Act 1 in one way.
Complete 'We've Only Just Begun'.
Complete 'When Good Heists...'.
Complete 'I'm Free - Free Falling'.
Complete 'Party Time'.
Destroy 5 chase vehicles (in a single instance of Super Ethical PR Opportunity).
Roast 50 peds with the car’s flamethrower (in a single instance of Super Ethical PR Opportunity).
Throw 5 mascots into the water (in a single instance of Apocalypse Genki).
Cause $150,000 worth of damage in a single Sexy Kitten Yarngasm combo.
Kill all of the rooftop mascots (in a single instance of Sad Panda Skyblazing).
Complete all activity instances in Genki Bowl VII.
Land on Magarac Island (in Sad Panda Skyblazing).
Fly through all of the rings (in a single instance of Sad Panda Skyblazing).
Finish both instances of Apocalypse Genki.
Destroy a mouse ATV during Sexy Kitten Yarngasm.
Collect all 6 hidden clapboards.
Kill 7 Space Amazons with melee attacks.
Kill 15 cameramen.
Complete all missions for Gangstas in Space.
Perform all vehicle stunts with the Aegean.
Destroy 10 enemy spacecraft with the Aegean while filming.
Kill Space Brutina.
Kill 35 Space Amazons with the Laser Pistol.
Destroy all enemy spacecraft during the chase scene.
Land on the Parachute Target during the rescue scene.
Hold Your Position at Technically Legal using only melee attacks.
Complete all missions for "The Trouble With Clones".
Prevent Johnny Tag from taking damage on the Magarac Bridge.
Kill a Brute using only melee damage while under the influence of Saints Flow.
Shoot down a helicopter with a Saints Flow fireball.
Complete mission 'Tour de Farce'.
Destroy 5 Steelport Guard vehicles during mission 'Tour de Farce'.
Spray 25 rabid fans with the Swarmitron.
Complete mission 'Weird Science'.
Destroy 45 Police and Swat Vehicles while protecting Jimmy's car.