Here is the full list of all 142 WildStar achievements.
Unlock all support ability nodes
Unlock all assault ability nodes
Complete 25 Settler Path missions
Kill 100 Heynars
Achieve a kill chain of 8 PVP enemies in a Battleground
Collect Essences of all colors totaling 375,000
Kill 100 Bandits
Allocate 25 points in the Primal Matrix
Collect 10,000 Cobalt Essences
Collect 10,000 Viridian Essences
Collect 10,000 Crimson Essences
Collect 7,500 Violet Essences
Complete 25 Soldier Path missions
Achieve a kill chain of 5 PVP enemies in a Battleground
Defeat Avatus within the Datascape Raid
Kill 100 Boulderbacks
Defeat each of the Elementals within the Datascape Raid
Kill 100 Garrs
Defeat Gloomclaw within the Datascape Raid
Defeat the System Daemons within the Datascape Raid
Kill 100 Ascendant Creatures
Achieve a kill chain of 3 PVP enemies in a Battleground
Complete 25 Scientist Path missions
Win your first battleground
Kill 100 Buzzbings
Kill 100 Canimids
Kill 100 Chompacabras
Kill 100 Daguns
Kill 100 Dreg
Kill 100 Eldan Constructs
Kill 100 Elementals
Kill 100 Falkrin
Kill 100 Girroks
Kill 100 Gronyx
Kill 20 Gorganoths
Kill 100 Ikthians
Kill 100 Malverines
Kill 50 Mammodins
Kill 100 Moodies
Kill 100 Murghs
Kill 100 Pell
Kill 100 Pumeras
Kill 100 Razortails
Kill 100 Ravenoks
Kill 100 Scrabs
Kill 100 Skeech
Kill 100 Squirg Zombies
Kill 100 Spiders
Kill 100 Stemdragons
Kill 100 Snoglugs
Kill 100 Rootbrutes
Kill 100 Rockhordes
Kill 50 Steamgliders
Kill 100 Stumpkins
Kill 100 Terminites
Kill 100 Vulcarrions
Kill 200 Strain Creatures
Kill 100 Darkspur
Kill 100 Torine
Kill 100 Yetis
Get 100 Triple Kills
Perform a Godly Kill
Collect 40 OmniBits
Earn a bronze or higher rating on the Malgrave Trail Adventure
Earn a bronze or higher rating on the Malgrave Trail Adventure on Veteran difficulty
Earn a bronze or higher rating on the Crimelords of Whitevale Adventure
Earn a bronze or higher rating on the Crimelords of Whitevale Adventure on Veteran difficulty
Earn a bronze or higher rating on the Siege of Tempest Refuge Adventure
Earn a bronze or higher rating on the Siege of Tempest Refuge Adventure on Veteran difficulty
Earn a bronze or higher rating on the War of the Wilds Adventure
Earn a bronze or higher rating on the War of the Wilds Adventure on Veteran difficulty
Earn a bronze or higher rating on the Hycrest Insurrection Adventure
Earn a bronze or higher rating in the Stormtalon's Lair Dungeon
Earn a bronze or higher rating in the Stormtalon's Lair Dungeon on Veteran difficulty
Earn a bronze or higher rating in the Sanctuary of the Swordmaiden Dungeon
Earn a bronze or higher rating in the Sanctuary of the Swordmaiden Dungeon on Veteran difficulty
Earn a bronze or higher rating in the Ruins of Kel Voreth Dungeon
Earn a bronze or higher rating in the Ruins of Kel Voreth Dungeon on Veteran difficulty
Earn a bronze or higher rating in the Skullcano Dungeon
Complete the Protogames Academy Dungeon
Earn a bronze or higher rating in the Protogames Academy Dungeon on Veteran difficulty
Earn a bronze or higher rating in the Ultimate Protogames Dungeon on Veteran difficulty
Become beloved by your faction
Defeat Experiment X-89 within Genetic Archives Raid
Defeat Phage Maw within the Genetic Archives Raid
Defeat Kuralak the Defiler within the Genetic Archives Raid
Defeat the Phagetech Prototypes within the Genetic Archives Raid
Defeat the Phageborn Convergence within the Genetic Archives Raid
Defeat Dreadphage Ohmna within the Genetic Archives Raid
Defeat the Maelstrom Authority within the Datascape Raid
Complete 25 Contracts from the Protostar Contract Dispenser in Thayd or Illium
Reach Character level 10
Reach Character level 20
Reach Character level 30
Reach Character level 40
Reach Character level 50
Earn 10 Platinum
Deliver a Critical Deathblow, leaving your enemy in pieces
Add a player to your friends list
Join a group
You built a cozy house
Complete the Outpost M-13 Expedition
Complete the Outpost M-13 Expedition on Veteran difficulty
Complete the Rage Logic Expedition
Complete the Rage Logic Expedition on Veteran difficulty
Complete the Infestation Expedition
Complete the Infestation Expedition on Veteran difficulty
Complete the Space Madness Expedition
Complete the Space Madness Expedition on Veteran difficulty
Complete the Deep Space Exploration Expedition
Complete the Deep Space Exploration Expedition on Veteran difficulty
Complete the Gauntlet Expedition
Complete the Gauntlet Expedition on Veteran difficulty
Complete the They Came from Fragment Zero! Expedition
Complete the They Came from Fragment Zero! Expedition on Veteran difficulty
Reach Artisan level with a crafting tradeskill
Reach Expert level with a crafting tradeskill
Complete 100 Challenges
Complete 100 non-repeatable quests
Complete 500 non-repeatable quests
Complete 25 Explorer Path missions
Enter the Mysterious Portal in Thayd or Illium and learn what secret it holds
Travel with Drusera through the portal to Exo-Lab X39
Survive the Entity's trials of strength
Meet Drusera and learn about the Genesis Prime
Observe what might happen if the Entity's plan is carried out
Earn a Bronze or higher rating in the Journey Into the OMNICore World Story Expedition
Earn a bronze or higher rating in the Skullcano Dungeon on Veteran difficulty
Learn a crafting tradeskill
Reach Apprentice level with a crafting tradeskill
Reach Journeyman level with a crafting tradeskill
Win 50 battlegrounds
Win 150 battlegrounds
Win 300 battlegrounds
Win 500 battlegrounds
Achieve a 1,500 Personal Battleground Rating
Achieve a 1,800 Personal Battleground Rating
Achieve a 2,000 Personal Battleground Rating
Achieve a 2,200 Personal Battleground Rating
Earn a bronze or higher rating on the Riot in the Void Adventure
Defeat the Prime Evolutionary Operants within the Initlialization Core Y-83 Raid Dungeon
Earn the tier 3 for each of the Crimson, Cobalt, and Viridian essence collection achievements