Destiny 2 has 23 achievements worth 1,240 gamerscore.The base game contains 13 achievements worth 1,000 Gamerscore, and there is 1 DLC packs containing 10 achievements worth 240 Gamerscore.
Earn 5,000 Triumph points.
Collect 10 Forsaken Exotic weapons or armor.
Complete a Triumph Seal.
Complete a Collections Badge.
Enter the Dreaming City.
Complete an Exotic Quest.
Win a Gambit match.
Defeat a Forsaken Nightfall Boss.
Pursue Uldren and the Fanatic to the Watchtower, and finish what you started.
Complete the "Last Wish" Raid.