Full list of all 129 Gems of War achievements worth 4,030 gamerscore. It takes around 100-120 hours to unlock all of the achievements in the base game.
The base game contains 18 achievements worth 1,000 Gamerscore, and there are 41 DLC packs containing 111 achievements worth 3,030 Gamerscore.
Reached level 100.
Reached level 50.
Captured 15 Kingdoms.
Complete 2 Trial Battles in a Single Kingdom
Unlock 50 different Troops.
Captured 10 Kingdoms.
Reached level 25.
Trained a troop to level 10.
Unlocked 25 different Troops.
Unlocked 10 different Troops.
Captured 5 Kingdoms.
Captured 2 Kingdoms.
Successfully won a ranked PvP match.
Reached level 10.
Complete your First Trial Battle
Joined or created a guild.
Changed your hero's costume.
Finished the Tutorial.
Ascend a troop to Mythic rarity
Reach Kingdom Power Level 2
Finish a Treasure Hunt with 2 or more Vaults
Complete all guild tasks in a single week
Unlock the troop "Mongo"
Complete 10 Adventure Tasks found at the top of the Adventure Board
Train any troop to level 20
Reach 250 wins for a hero class
Reach PvP tier 1 in a single week
Capture 20 Kingdoms
Explore any kingdom
Equip any hero class
Unlock 100 different troops
Complete all of your Guild Wars battles in a single week.
Upgrade each of your Guild Wars Sentinels at least once in a single Guild War.
Defeat a paragon opponent in Guild Wars.
Reach PvP tier 5 in a single week.
Reach PvP tier 10 in a single week.
Have your PvP Defense Team win a battle.
Unlock 200 different Troops
Unlock the Troop "Xathenos"
Reach level 500
Reach level 250
Defeat 50 Towers in a single Invasion event
Win a Gnome Vault Battle
Deal 505 Damage to the Boss in a single Raid Boss event
Feed a Pet to Level 20
Finish a Pet Rescue Event
Get to Champion Level 50 in a Single Class
Reach Kingdom Power Level 5
Use a Weapon's Spell with an Affix
Reach 1,000 Total Underworld Renown
Raise an Underworld Treasure Hoard to Level 50
Complete a Delve with No Casualties
Unlock a Faction
Reach the Highest Renown Possible in a Single Faction
Reach level 1000
Defeat 6 Dooms in a single Tower of Doom
Reach 5,000 Total Underworld Renown
Unlock 5 Factions
Unlock 300 unique Troops
Receive the highest level MVP award
Give Honor for the first time
Get a total of 100 Social Items (Emoji Packs, Portraits, or Titles)
Gain 10,000 Total Underworld Renown
Complete all Adventure Boards for a single day
Complete an Epic Fight
Reach Kingdom Level 15 in any Kingdom
Complete a Tier V Trial in any Kingdom
Award your first Medal to a Troop
Equip your first Badge or Medal
Collect your first Boss Chest in Explore
Use Medals to upgrade 100 Troops to the Gold Elite Level
Reach 20,000 Total Underworld Renown
Equip your first Medal of Seasons
Destroy more than 505 gems of a single color in a single battle
Reach Kingdom Power Level 10
Get a total of 200 Social Items (Emoji Packs, Portraits, or Titles)
Reach 30,000 Total Underworld Renown
Get your first Artifact to Level 10
Complete 100 Campaign Tasks in a single Campaign
Complete 25 Tasks in any Campaign
Get your first Artifact to Level 1
Complete your first task in any Campaign
Win a Epic Vault Battle
Unlock 500 Troops
Earn 100 Valor in a single Arena Event
Complete an Arena Run with no losses
Collect 10 Pets
Unlock a Warband
Fill a Shrine completely
Reach 40,000 Total Underworld Renown
Get a total of 300 Social Items (Emoji Packs, Portraits, or Titles)
Reach Kingdom Power level 15 in 5 Kingdoms
Match 50 Uber Doomskulls Gems
Match 100 Lycanthropy Gems
Complete a Bronze Task in any Campaign
Craft a Gnome-a-Palooza Event.
Earn a Verse from a Mana Surge Band Gnome.
Reach 50,000 Total Underworld Renown
Earn 20,000 Miles in a Journey event.
Match 100 Elemental Stars.
Reach level 20 in the Soulforge
Defeat 10 Cursed Gnomes
Defeat 3 Mimic Battles in Explore
Gain a Hoard Mimic Troop Card from its Boss Chest
Complete a Deep Delve
Unlock a Potion of Power in a Treasure Hoard in 1 Faction
Complete a Kingdom Story 5 times in a single Legends Reborn event
Collect 300 Kingdom currency in a single Legends Reborn event
Craft a Gem Dragon Egg in the Soulforge
Get a perfect run in a Dungeon
Earn a Orb of Power from a Holiday Event
Earn 100 Currency in a single Holiday Event
Defeat 10 Dragonite Gnomes
Match 100 Dragon Gems
Encounter the Merchant 10 times
Encounter the Daemon 5 times
Encounter the Angel 1 time
Complete 5 Epic Trials
Destroy 20 Booty Gems
Complete all milestones in a Gold Campaign Task
Upgrade 3 Troops to Shiny Level 1
Upgrade 5 Troops to Shiny Level 2
Type 'Geoff is a Legend' into global chat
Complete all 'Path' Tasks in a single day
Defeat 3 Treasure Guardians in Underspire
Match 100 Hourglass Gems
Upgrade 8 Troops to Shiny Level 1
Earn all 20 ranks in the PvP Goals
Earn 1,000 VP in a Season