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