Here is the full list of all 45 Nuclear Throne trophies - there are 31 bronze, 10 silver, 3 gold and 1 platinum.
Reach 2-1.
Reach 3-1.
Defeat Big Bandit.
Completed Every Challenge We Could Think Of In Nuclear Throne.
Get 100% of the unlocks.
Unlock a Golden Disc Gun or Golden Nuke Launcher.
Unlock all Crowns as one character.
Reach Level Ultra as Skeleton
Defeat Captain as Rogue.
Defeat the Technomancer as Steroids
Loop as every character.
Defeat Captain.
Reach 2-1 on Hard Mode as Chicken.
Unlock Hard Mode.
Play as Frog.
Defeat the Technomancer.
Defeat Hyper Crystal as Horror.
Reach the Nuclear Throne in under 10 minutes as Plant.
Defeat Hyper Crystal.
Defeat Mom as Rebel.
Defeat Mom.
Unlock a Golden Weapon for every character.
Reach the Nuclear Throne with Melting without choosing Rhino Skin or Strong Spirit.
Sit on the Nuclear Throne as headless Chicken.
Reach 7-3 on a Daily
Unlock a Crown as any character.
Reach Level Ultra as any character.
Loop past the Nuclear Throne.
Defeat Throne II.
Loop the game.
Reach 4-? as Crystal.
Reach the Nuclear Throne.
Defeat the Nuclear Throne.
Eat a Hyper Weapon as Robot.
Reach 5-?
Reach 6-1.
Defeat Lil Hunter.
We hereby sincerely apologize.
Reach 2-? as Eyes.
Defeat Horror.
Reach 5-1.
Unlock a Golden Weapon as any character.
Reach 3-?.
Defeat Big Dog.
Die.