Here is the full list of all 28 Valkyria Revolution trophies - there are 10 bronze, 11 silver, 6 gold and 1 platinum.
Obtained all trophies.
Spent over 300,000 kr at the shop.
Developed all secondary weapons at Sabancci & Co.
Completed upgrading all alchemic weapons at Sabancci & Co.
Achieved S rank result in all story missions.
Defeated the Valkyria.
Defeated Grand General Gilouche and captured the Sevast citadel.
Obtained rank 30 ragnite.
Defeated Grand General Viktor and captured the Velgiev logistics hub.
Cleared 100 free missions.
Defeated Grand General Gustav and recaptured Avalune's mana industry area.
Viewed all community events.
Defeated 30 aces.
Created 30 pieces of gear at Tomasson's Workshop.
Defeated 3,000 enemies.
Captured 50 enemy bases.
Made 100 battle reports.
Won a defensive battle.
Drove back the Valkyria that appears in tactical missions.
Disposed of 100 explosives or land mines.
Won an offensive battle.
Defeated 1,000 enemies.
Defeated an ace for the first time.
Created your first piece of gear at Tomasson's Workshop.
Viewed a community event for the first time.
Upgraded an alchemic weapon for the first time at Sabancci & Co.
Defeated Grand General Balthus and recaptured Molda.
Launched a surprise attack on the imperial army's outpost in Molda.