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