Full list of all 27 Pit People achievements worth 1,500 gamerscore. It takes around 20-25 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 14 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 13 achievements worth 500 Gamerscore.
Someone reaches level 80
19,999 Gold on-hand
Win the INSANE unfair challenge
Recruit 1 of every creature type
Get a Quadra Kill
Successfully complete a full Quest series
Find a secret area in any worldmap
Run over 10 enemies using the wagon's nitro boost
Horatio or Hailey reach level 20
Get Pip's Revenge
Win an online versus battle in The Pit
Get a full squad of 6
Beat any team of Elites in the wild
Defy the Narrator.
Defeat a Fortress
Complete the Story
Complete 15 Bonus Missions on the world map
Watch a replay
Complete two quests in one outing on the world map
Complete 5 quests in an outing on the world map
Save a replay
Earn 1234 Pit Points in a day
Do 100 points of damage in a single turn
Kill 300 enemies
Defeat an Elite Team in PermaDeath
Recruit an Elite
Win 20 Battles in PermaDeath