Full list of all 131 Gems of War - Puzzle RPG achievements. It takes around 80-100 hours to unlock all of the achievements in the base game on Windows.
The base game contains 23 achievements, and there are 37 DLC packs containing 108 achievements.
Reach level 100
Reach rank 1 as an invader in PvP
Reach level 50
Reach rank 5 as an invader in PvP
Reach rank 10 as an invader in PvP
Have your PvP Defense Team win a battle
Complete 5 Challenge Battles in a Single Kingdom
Capture 15 Kingdoms
Reach level 25
Successfully invade an enemy in PvP
Join a Guild
Capture 10 Kingdoms
Unlock 100 different Troops
Capture 5 Kingdoms
Capture 2 Kingdoms
Train any troop to level 10
Reach level 10
Complete your First Challenge Battle
Unlock 25 different Troops
Unlock 50 different Troops
Unlock 10 different Troops
Change your hero's costume
Finish the Tutorial
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
Destroy more than 505 gems of a single color in a single battle
Equip your first Medal of Seasons
Reach 20,000 Total Underworld Renown
Reach Kingdom Level 15 in any Kingdom
Complete Challenge Tier V in any Kingdom
Reach 30,000 Total Underworld Renown
Get a total of 200 Social Items (Emoji Packs, Portraits, or Titles)
Reach Kingdom Power Level 10
Complete all guild tasks in a single week
Unlock the Troop "Xathenos"
Reach level 500
Reach level 250
Defeat a paragon opponent in Guild Wars
Train any troop to level 20
Ascend a troop to Mythic
Complete 10 Adventure Tasks found at the top of the Adventure Board
Reach Kingdom Power Level 2
Upgrade each of your Guild Wars Sentinels at least once in a single Guild War
Finish a Treasure Hunt with 2 or more Vaults
Complete all of your Guild Wars battles in a single week
Unlock the Troop "Mongo"
Explore any kingdom
Reach 250 wins for a hero class
Equip any hero class
Unlock 200 different Troops
Capture 20 kingdoms
Win a Vault Battle
Defeat 50 Towers in a single Invasion event
Deal 505 Damage to the Boss in a single Raid Boss event
Feed a Pet to Level 20
Finish a Pet Rescue Event
Unlock 500 Troops
Get to Champion Level 50 in a Single Class
Use a Weapon's Spell with an Affix
Reach Kingdom Power Level 5
Reach the Highest Renown Possible in a Single Faction
Reach 1,000 Total Underworld Renown
Raise an Underworld Treasure Hoard to Level 50
Complete a Delve with No Casualties
Unlock a Faction
Reach level 1000
Defeat 6 Dooms in a single Tower of Doom event
Reach 5,000 Total Underworld Renown
Unlock 300 Troops
Unlock 5 Factions
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
Fight an Epic Battle
Complete all Adventure Boards for a single day
Reach Kingdom Power level 15 in 5 Kingdoms
Get a total of 300 Social Items (Emoji Packs, Portraits, or Titles)
Craft a Gnome-a-Palooza Event.
Earn a Verse from a Mana Surge Band Gnome.
Earn 20,000 Miles in a Journey event.
Match 100 Elemental Stars.
Reach 50,000 Total Underworld Renown
Reach 40,000 Total Underworld Renown
Unlock a Warband
Fill a Shrine completely
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
Earn 100 Valor in a single Arena Event
Complete an Arena Run with no losses
Collect 10 Pets
Reach level 20 in the Soulforge
Defeat 10 Cursed Gnomes
Match 100 Lycanthropy Gems
Reroll a Campaign Task
Match 50 Uber Doomskull Gems
Gain a Hoard Mimic Troop Card from its Boss Chest.
Defeat 3 Mimic Battles in Explore
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 Daemon 5 times
Encounter the Merchant 10 times
Encounter the Angel 1 time
Destroy 20 Booty Gems
Complete all milestones in a Gold Campaign Task
Complete 5 Epic Trials
Upgrade 5 Troops to Shiny Level 2
Upgrade 3 Troops to Shiny Level 1
Complete all 'Path' Tasks in a single day
Type 'Geoff is a Legend' into global chat
Match 100 Hourglass Gems
Defeat 3 Treasure Guardians in Underspire
Upgrade 8 Troops to Shiny Level 1
Earn all 20 ranks in the PvP Goals
Earn 1,000 VP in a Season
Complete all Battles in a Monolith
Win a Monolith Battle