Here is the full list of all 19 Muv-Luv Alternative achievements.
Read Mikoto's Testament
Read Kei's Testament
Read Miki's Testament
Heard Kasumi's Confession
Completed Episode 10
Restored order to the multiverse
Read Chizuru's Testament
Unlocked CG Gallery
Unlocked Chapter Select
Completed Episode 9
Completed Episode 8
Completed Episode 7
Completed Episode 6
Completed Episode 5
Completed Episode 4
Completed Episode 3
Completed Episode 2
Completed Episode 1
Back to the Battlefield!