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