Here is the full list of all 69 Codename: Terranova achievements.
Connect to an Operator
Complete All Campaign Missions with the same Operator Name (Last Operator)
Fail an Operation
Shatter a Sphere
Shatter 20 Spheres
Solve Buttons 10 times
Solve Morse Code 10 Times
Solve Numpad 10 Times
Solve Hatches 10 Times
Solve Safe 10 Times
Solve Levers 10 Times
Solve Keycards 10 Times
Solve Radio Frequency 10 Times
Freeze a Drone 10 Times
Disable the Operator in the last Mission of the Campaign
Disable the Agent in the last Mission of the Campaign
Complete the Campaign
Play the Tutorial
Play Quick Play 10 Times
Play Custom Play 10 Times
Play Custom Play on Very Easy Difficulty 10 Times
Play Custom Play on Easy Difficulty 10 Times
Play Custom Play on Medium Difficulty 10 Times
Play Custom Play on Hard Difficulty 10 Times
Play Custom Play on Very Hard Difficulty 10 Times
Play Custom Play on Max Difficulty 10 Times
Complete Mission 1
Complete Mission 2
Complete Mission 3
Complete Mission 4
Complete Mission 5
Complete Mission 6
Complete Mission 7
Complete Mission 8
Complete Mission 9
Complete Mission 10
Unlock All Stories
Earn 3 Gold Medals
Earn 3 Silver or Gold Medals
Earn 3 Medals
Complete 10 Modules
Complete 25 Modules
Complete 50 Modules
Complete 100 Modules
Solve 50 Locks
Jump 100 Times
Complete Mission 11