Full list of all 47 SteamWorld Heist achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 42 achievements, and there is 1 DLC pack containing 5 achievements.
Defeat Jester.
Get max reputation on all missions in The Outsider DLC.
Recruit Fen.
Use Fen's Lightning Coil ability to kill 4 enemies with one shot.
Collect all hats from The Outsider DLC.