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.
Kill all of the hitman Assassination targets.
Kill 25 Gang Members each with 'the Penetrator' AND the Fart in a Jar.
Complete Act 1 in another way.
Taunt AND/OR Compliment 50 gang members.
Customize 10 vehicles.
Complete all City Takeover gameplay in the Downtown district.
Complete all City Takeover gameplay in the entire city of Steelport.
Complete all instances of Professor Genki's Super Ethical Reality Climax.
Complete all instances of Insurance Fraud.
Spend over 30 hours in Steelport.
Find 100% of all Collectibles.
Complete all City Takeover gameplay in the New Colvin district.
Complete all instances of Snatch.
Complete all instances of Escort.
Complete all instances of Trafficking.
Complete all instances of Heli Assault.
Destroy all Gang Operations in Steelport.
Complete all City Takeover gameplay in the Carver Island district.
Complete all instances of Trail Blazing.
Complete all instances of Mayhem.
Upgrade one Stronghold to its full glory.
Play for at least 2 hours as a male character AND 2 hours as a female character.
Kill 50 brutes.
Complete Act 3 in another way.
Complete all City Takeover gameplay in the Stanfield district.
Complete Act 3 in one way.
Complete 'Murderbrawl XXXI'.
Fully upgrade one Weapon in each slot.
Complete 'Zombie Attack'.
Complete Act 2.
Complete 'STAG Party'.
Complete all instances of Tank Mayhem.
Find 25% of all Collectibles.
Complete 'http://deckers.die'.
Complete 'The Ho Boat'.
Explore every hood in Steelport.
Kill 1000 Gang Members.
Create and share a character online.
Complete your first Challenge.
Complete all instances of Guardian Angel.
Hijack 50 vehicles - Dukes style.
Complete Act 1 in one way.
Complete 'We've Only Just Begun'.
Do your first nutshot AND testicle assault.
Buy your first Upgrade from the Upgrade Store.
Complete 'Party Time'.
Complete 'I'm Free - Free Falling'.
Complete 'When Good Heists...'.
Steal and deliver all Vehicle Theft targets.
Complete ALL Challenges.
Play SR3 Co-op for 5 hours.
Complete all instances of Activities in Co-op.
Beat all Missions in Co-op.
Finish both instances of Apocalypse Genki.
Cause $150,000 worth of damage in a single Sexy Kitten Yarngasm combo.
Destroy a mouse ATV during Sexy Kitten Yarngasm.
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).
Complete all activity instances in Genki Bowl VII.
Land on the Parachute Target during the rescue scene.
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 7 Space Amazons with melee attacks.
Collect all 6 hidden clapboards.
Kill 35 Space Amazons with the Laser Pistol.
Destroy all enemy spacecraft during the chase scene.
Kill 15 cameramen.
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.