Here is the full list of all 72 Final Theory achievements.
Beat Final Theory on Capable difficulty
20 Cruisers Defeated In Combat
40 Destroyers Defeated In Combat
10 Battleships Defeated In Combat
10 Battlecruisers Defeated In Combat
10 Carriers Defeated In Combat
5 Carriers Defeated In Combat
5 Battleships Defeated In Combat
20 Frigates Defeated In Combat
10 Cruisers Defeated In Combat
2 Warheads Launched
5 Battlecruisers Defeated In Combat
5 Cruisers Defeated In Combat
20 Destroyers Defeated In Combat
10 Destroyers Defeated In Combat
10 Frigates Defeated In Combat
5 Destroyers Defeated In Combat
5 Frigates Defeated In Combat
Beat Final Theory 4 times on Grandmaster difficulty
Beat Final Theory 3 times on Grandmaster difficulty
Beat Final Theory 2 times on Grandmaster difficulty
Beat Final Theory on Grandmaster difficulty
Beat Final Theory 4 times on Master difficulty
Beat Final Theory 3 times on Master difficulty
Beat Final Theory 2 times on Master difficulty
Beat Final Theory on Master difficulty
Beat Final Theory 4 times on Expert difficulty
Beat Final Theory 3 times on Expert difficulty
Beat Final Theory 2 times on Expert difficulty
Beat Final Theory on Expert difficulty
Beat Final Theory 4 times on Proficient difficulty
Beat Final Theory 3 times on Proficient difficulty
Beat Final Theory 2 times on Proficient difficulty
Beat Final Theory on Proficient difficulty
Beat Final Theory 4 times on Capable difficulty
Beat Final Theory 3 times on Capable difficulty
Beat Final Theory 2 times on Capable difficulty
Beat Final Theory 4 times on Novice difficulty
Beat Final Theory 3 times on Novice difficulty
Beat Final Theory 2 times on Novice difficulty
Beat Final Theory on Novice difficulty
160 Dreadnoughts Defeated In Combat
80 Dreadnoughts Defeated In Combat
40 Dreadnoughts Defeated In Combat
20 Dreadnoughts Defeated In Combat
10 Dreadnoughts Defeated In Combat
5 Dreadnoughts Defeated In Combat
160 Battleships Defeated In Combat
80 Battleships Defeated In Combat
40 Battleships Defeated In Combat
20 Battleships Defeated In Combat
160 Carriers Defeated In Combat
80 Carriers Defeated In Combat
40 Carriers Defeated In Combat
20 Carriers Defeated In Combat
160 Battlecruisers Defeated In Combat
80 Battlecruisers Defeated In Combat
40 Battlecruisers Defeated In Combat
20 Battlecruisers Defeated In Combat
160 Cruisers Defeated In Combat
80 Cruisers Defeated In Combat
40 Cruisers Defeated In Combat
160 Destroyers Defeated In Combat
80 Destroyers Defeated In Combat
160 Frigates Defeated In Combat
80 Frigates Defeated In Combat
40 Frigates Defeated In Combat
160 Warheads Launched
80 Warheads Launched
40 Warheads Launched
20 Warheads Launched
10 Warheads Launched