Full list of all 12 Tower of Guns trophies - 7 bronze, 4 silver and 1 gold. It takes around 6-8 hours to unlock all of the trophies on PlayStation 4.
Beat a boss
Unlock a weapon
Kill over 350 Enemies in a Single Level
Die while a Boss is Exploding
Unlock all the Perks
Jump and Remain Airborn for 45 Seconds
Finish a 10th run
Unlock all the Guns
Finish the game (non uberwin)
Finish a 50th run
Tilt 10 times in a row
Finish a 100th run