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