Full list of all 88 Sunset Overdrive achievements worth 1,925 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 64 achievements worth 1,000 Gamerscore, and there are 6 DLC packs containing 24 achievements worth 925 Gamerscore.
Kill 500 enemies with traps.
Collect 250 fashion items.
Upgrade 20 guns to Level 5.
Take back Sunset City for the misfit survivors.
Replay any Mission and complete it under par.
Equip one piece of clothing from each Faction at the same time.
Collect 20 Amps from Floyd.
Watch the credits all the way through.
You beat the final Fizzco corporate machine.
15,000 OD'd massacred.
Upgrade 10 guns to Level 5.
Upgrade the Overcharge vats at every Fort.
Spend at least 25,000 Overcharge.
Unlock at least one Rank 4 Overdrive.
Get to the bottom of Fizzco's corporate secrets.
5,000 OD'd Massacred.
You forged the mythical Excalamune.
Complete a quest from every faction.
Reach Level 99 in Ignatius' epic RPG campaign.
Save Sunset City from Fizzco's second-most powerful robot.
That was a lot of pigeons.
Clear Fargarthia of a hidden evil.
Become an honorary Troop Member by finding Bryllcream and defeating Norton.
Melee 50 enemies while grinding.
Upgrade one of your guns to Level 5.
Burn, Shock, Freeze, or Enrage 1000 enemies.
Liberate all the comic books for the comic book collector.
You killed a balloon.
Survive the glider crash and look for another way out of Sunset City.
Kill 500 enemies while at Style Level 3.
Equip five AMPs on your character at the same time.
Chain together 100 traversal moves without stopping or touching the ground.
Kill 100 enemies while bouncing or while in the air.
Become a reality TV star.
Unlock an Overdrive.
Earn a badge.
Survive one night at your Fort.
Kill 100 enemies while grinding.
You earned an achievement.
Survive Horror Night.
Complete an optional Night Defense without losing any of your Overcharge.
Earn an Amp upgrade in Chaos Squad.
Loot 25 emergency supply drops.
Complete 10 challenges with at least a bronze rating.
Complete 30 challenges with at least a silver rating.
Complete 50 challenges with a gold rating.
Survive Chaos Squad in the Old Factory District with at least 150 Chaos.
Survive Chaos Squad in Little Tokyo District with at least 325 Chaos.
Survive Chaos Squad in the Harbor District with at least 750 Chaos.
Survive Chaos Squad in Downtown District with at least 1625 Chaos.
Kill 100 enemies by flinging them into danger using the Springboard Trap.
Destroy 250 Overcharge XT vending machines.
Destroy 25 Fizzco Blimps just because you can.
Collect all 40 Smartphones.
Find all 20 secret sightseeing locations in Sunset City.
Destroy all 150 Fizzco security cameras.
Eavesdrop on nine conversations by hacking into satellites.
Deface 40 billboards with graffiti.
Collect all 150 shoes hanging from wires.
Beat Insomniac QA's high score of 534,080 on the Challenge "Buck's Revenge."
Replay the final mission and defeat the boss under par.
Collect all 150 Overcharge hologram signs.
Collect all 150 Fizzie balloons.
Collect all 150 scraps of toilet paper.
Beat any player's score in Chaos Squad who has the 'Beat the Dev' achievement.
Defeat the DL-sea monster.
Protect the boat from bombs, mortars, and OD'd.
Anybody can be a movie producer, because nobody knows what they do.
Light fires big enough to see from space.
Smoking causes lung cancer, heart disease, and instant death.
Build the "Feel the Burn" weapon for a guy who is stir-crazy... or just crazy.
Arrive at the Mooil Rig.
Find Bryllcream... again.
Survive Chaos Squad in the Mooil Rig with at least 1700 Chaos.
Beat the score of 400,000 on the Challenge "Buck National vs The Apocalypse."
Beat the score of 500,000 on the Challenge "Buck Strikes Back."
Beat the score of 600,000 on the Challenge "Buck Stops Here."
Find all 12 of Ainsley’s drawings scribbled on city walls.
Defeat Brandon. Like, for real.
Reroute the power inside the factory in the weirdest way possible.
Put on a robot costume and collect the kill codes.
Work with Buck and Sam to create a new weapon.
Weapons design is a tough business.
Find Fiona and Lou, then help them escape by fixing Snackwrap.
Ride a cargo container into the factory.
Survive Chaos Squad in the Robot Factory with at least 2300 Chaos.
Replay the Floating Garbage mission and complete it under par.
Ha, ha! I can't believe you fell for that!