Here is the full list of all 26 Battlestar Galactica Deadlock achievements.
Successfully board an opponent's ship with a Heavy Raider
Win a skirmish or multiplayer match with a custom Cylon fleet
Successfully hack an opponent's ship with the Nemesis or the Wardriver
Redistribute power in a Cylon ship
Win a skirmish or multiplayer match with a custom Colonial fleet
Have at least 10 Colonies fortified in the single-player campaign
Complete the single-player campaign
Complete Chapter Thirteen
Complete Chapter Twelve
Unlock the Jupiter-class battlestar in the single-player campaign
Unlock all blueprints in the single-player campaign
Complete Chapter Eleven
Complete Chapter Ten
Unlock the nuke munition in the single-player campaign
Complete Chapter Nine
Destroy 100 enemy ships
Complete Chapter Eight
Complete Chapter Seven
Complete Chapter Six
Complete Chapter Five
Complete Chapter Four
Destroy 10 enemy ships
Complete Chapter Three
Complete Chapter Two
Complete Chapter One
Destroy 500 enemy ships