Here is the full list of all 34 Cosmic Star Heroine trophies - there are 19 bronze, 9 silver, 5 gold and 1 platinum.
Achieve all possible trophies.
Share a soda.
Gather at least 20 recruits for your ship.
Win the first battle in the game on the hardest difficulty level.
Complete the game.
Win a VR Battle.
Win every round of Rock Paper Scissors.
Scare rats away in Gehenna.
Defeat a special bounty.
Defeat the Prime Evil.
Reclaim your high score.
A party member betrays you.
Gain Chahn's ultimate ability.
Defeat a cosmic entity.
Find the ultimate ingredient.
Gain your final party member.
Defeat a true hero.
Deal over 9999 damage in a single hit.
Prove your innocence.
Defeat the Crystal Wraith.
Defeat the Nightmare.
Defeat the ultimate zombie.
Escape confinement.
Use a Heroine program.
Use Clarke's Self-Destruct ability.
Chat with your party members.
Commandeer your own spaceship.
Charm an enemy.
Defeat the Blobmith.
Reach Lauren's apartment.
Reach 300 style.
Defeat the Spectral Dragon.
Defeat the lab guardian.
Complete the SkyBreaker Tower scenario.