Full list of all 67 SWORD ART ONLINE: Alicization Lycoris achievements worth 1,300 gamerscore.
The base game contains 48 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 19 achievements worth 300 Gamerscore.
Cleared the game with over 100 hours of playtime
Completed chapter 6
Obtained 4 affinity with Selka
Obtained 4 affinity with Fizel
Obtained 4 affinity with Linel
Obtained 4 affinity with Silica
Obtained 4 affinity with Bercouli
Obtained 4 affinity with Sheyta
Obtained 4 affinity with Ronie
Obtained 4 affinity with Tiese
Completed chapter 5
Obtained 4 affinity with Lisbeth
Obtained 4 affinity with Medina
Completed chapter 4
Obtained 4 affinity with Alice
Obtained 4 affinity with Renly
Obtained 4 affinity with Sinon
Completed chapter 3
Obtained 4 affinity with Eugeo
Defeated an enemy with a Memory Release
Obtained 4 affinity with Fanatio
Completed chapter 2
Obtained 4 affinity with Sortiliena
Defeated an enemy with a Perfect Weapon Control Art
Obtained 4 affinity with Asuna
Obtained 4 affinity with Leafa
Completed chapter 1
Defeated 100 enemies with a Secret Art
Defeated an enemy with a Secret Art
Unlock all achievements
Attain a total of 5,000 weapon proficiency
Obtain 400 skills
Raise Kirito's level to 50
Unlock all Sword Skills in all 9 weapon categories
Land a total of 500 hits on enemies with the charge gauge at max
Obtain 4 affinity with Deusolbert
Obtain 4 affinity with Eldrie
Obtain 4 affinity with all heroines
Unlock 90% of the gallery
Reach affinity rank 2 with 100 people
Max out enhancement for one piece of equipment
Obtain a piece of legendary equipment
Obtain 1,000,000 shia
Defeat 10 mythic-class enemies
Defeat 30 enemies with a Perfect Weapon Control Art
Defeat 30 enemies with a Memory Release
Defeat 100 Clamps
Defeat 10 Clamp Clusters
Completed Beginnings
Completed Ironwood Blossom
Completed Glowworm
Completed Hiddenmind
Completed Serein
Completed The Unforgettable
Destroyed every divine beast in new Blooming of Forget-me-not areas
Complete Sprouting
Complete Pruning
Complete Germination
Complete Axillary Bud
Completed Flower Bud
Complete Bearing Fruit
Watch the ending in Dazzling
Watch the ending in Scattering
Watch the ending in Blooming
Watch the ending in Withering
See the ending in Sprouting
Watch every ending of Blooming of Matricaria