Here is the full list of all 52 Sunrider: Liberation Day achievements.
Find all the endings in REturn.
Find Asaga's happy ending.
Find Asaga's normal ending.
Find Asaga's alternate ending.
Find Ava's happy ending.
Find Ava's normal ending.
Find Icari's happy ending.
Find Sola's happy ending.
Find Sola's normal ending.
Find Sola's alternate ending.
Find Sola's worst ending.
Beat the game on Captain difficulty or higher.
Complete the game with the wishall still in your inventory.
Kill 2 PACT support units in the same turn with Sola.
Buy at least 20 different things in the store (including merc contracts).
Use short range warp 3 times in the same turn.
Hit 8 units at once.
Save up to 50'000 credits.
Perform exactly 21 attacks with Black Jack in a battle.
Kill Cosette.
Complete a battle while ignoring one of your Ryders.
Kill a PACT support with melee.
Scavage the starship grave yard to discover the Falcon.
Lose a mercenary unit.
Contract your first merc.
Have both the Phoenix and the Paladin end their turns next to each other every turn for an entire battle
Have 5 player ships or more get hit by an AoE rocket.
Kill 10 units in the same turn.
Destroy a capital ship with an assault weapon.
Use vanguard for the fist time.
Have a player unit get killed at 0 to -9 HP.
Have a non-mercenary player unit get destroyed for the first time.
Restore the Havoc.
Finish the prologue.
Capture Cosette
Kill 1000 enemies
Survive an attack with less than 10hp remaining.
Get 10 stacks of 'Awakening' on Asaga.
evive the Phoenix twice in the same battle.
Repair 50'000 hp in battle with the Liberty.
Beat the game on Admiral difficulty or higher.
Beat the game on Space Whale difficulty. Yeah, good luck with that.
Win a battle with only the Sunrider left alive.
Complete the game without buying anything at the store.
Complete the game without ever buying new upgrades.
Put all debufs (except Disable) on the same enemy.
Put 5 different buffs on the same friendly unit.
Have Bianca use Restore on an allied unit afflicted by all possible debuffs.
Have the Paladin get destroyed with Draw Fire ability active.
Kill 30 units with melee.
Leave the starship grave yard alone.