Full list of all 97 Final Fantasy XV achievements worth 2,310 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 8 DLC packs containing 47 achievements worth 1,310 Gamerscore.
Collected thirteen royal arms.
Flew the Regalia Type-F.
Completed Chapter 14.
Defeated Ifrit on Normal difficulty.
Completed Chapter 13.
Completed Chapter 12.
Completed Chapter 11.
Completed Chapter 10.
Completed Chapter 9.
Reached maximum fishing level.
Defeated the adamantoise.
Completed Chapter 8.
Reached maximum survival level.
Reached maximum cooking level.
Summoned one of the Six for the first time.
Completed 80 sidequests.
Completed Chapter 7.
Caught an image of Gentiana in a photo.
Reached maximum photography level.
Completed Chapter 6.
Activated 50 ability nodes.
Completed Chapter 5.
Rode a Chocobo.
Completed Chapter 4.
Called forth the Armiger for the first time.
Completed Chapter 3.
Completed 40 sidequests.
Completed 20 sidequests.
Activated 20 ability nodes.
Completed Chapter 2.
Completed 10 sidequests.
Completed 5 sidequests.
Completed Chapter 1.
Improved cooking level for the first time.
Used magic for the first time.
Crafted a spell for the first time.
Improved fishing level for the first time.
Completed first sidequest.
Played JUSTICE MONSTERS FIVE for the first time.
Drove the Regalia.
Improved survival level for the first time.
Improved photography level for the first time.
Completed first hunt.
Issued first ally command.
Performed first point-warp suspension.
Performed first blindside link.
Initiated first link-strike after parrying an attack.
Equipped four weapon slots.
Learned first ability.
Completed the Prologue.
Completed the trials on Normal.
Performed 5 link-strikes with Cor.
Picked up all items.
Uprooted all columns.
???
Scored 500,000 or more points in Score Attack.
Scored 1,000,000 or more points in Score Attack.
Stealth-killed 3 enemies.
Took down 30 enemies with crackshots.
Took 10 photos mid-battle using Selfie Shot.
Completed EPISODE PROMPTO on Normal.
Defeated the kaiser behemoth.
Earned the top ranking on all three Time Trial courses.
Performed 10 full-hit cross chains.
Received a Royal Sigil.
Powered up all facilities in Lestallum.
Met the owner of the Crow's Nest Diner.
Crafted a weapon of Level 30 or higher.
Took down 10 enemies using the spelldaggers.
Took down 10 enemies with counterstrikes.
Took down 100 enemies using Total Clarity.
Collected all documents.
Filled 80% of the Datalog.
Posted excellent times in all cross-country test drives.
Collected all the Royal Sigils.
Raised a chocobo to Level 99.
Completed the Comrades quest with all four characters.
Completed EPISODE ARDYN on Normal.
Took over all sectors of Insomnia.
Used Ifrit's techniques 10 times.
Unlocked all of Ardyn's abilities.
Inflicted Royal Retribution 10 times.
Daemonified 100 enemies.
Earned the top ranking in EPISODE ARDYN.