Here is the full list of all 34 Homeworld Remastered Collection achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Completed Homeworld 2 Remastered Mission 2
Completed Homeworld 2 Remastered Mission 3
Completed Homeworld 2 Remastered Mission 4
Completed Homeworld 2 Remastered Mission 5
Completed Homeworld 2 Remastered Mission 6
Completed Homeworld 2 Remastered Mission 7
Completed Homeworld 2 Remastered Mission 8
Completed Homeworld 2 Remastered Mission 1
Completed Homeworld Remastered Mission 12
Completed Homeworld Remastered Mission 13
Completed Homeworld Remastered Mission 11
Completed Homeworld Remastered Mission 6
Completed Homeworld Remastered Mission 7
Completed Homeworld Remastered Mission 8
Completed Homeworld Remastered Mission 9
Completed Homeworld Remastered Mission 10
Completed Homeworld Remastered Mission 1
Completed Homeworld Remastered Mission 2
Completed Homeworld Remastered Mission 3
Completed Homeworld Remastered Mission 4
Completed Homeworld Remastered Mission 5
All Homeworld 2 Remastered Tutorial Missions Completed
All Homeworld Classic Tutorial Missions Completed
Completed Homeworld Remastered Mission 14
Completed Homeworld Remastered Mission 15
Completed Homeworld Remastered Mission 16
Completed Homeworld 2 Remastered Mission 9
Completed Homeworld 2 Remastered Mission 10
Completed Homeworld 2 Remastered Mission 11
Completed Homeworld 2 Remastered Mission 12
Completed Homeworld 2 Remastered Mission 13
Completed Homeworld 2 Remastered Mission 14
Completed Homeworld 2 Remastered Mission 15
Intercept the Turanic carriers and prevent them from reaching the safety of their planetary defenses.