Here is the full list of all 16 Hellbreachers trophies - there are 5 silver, 10 gold and 1 platinum.
Unlock all other trophies
Beat the boss Ancient
Collect 5,000 coins
Defeat 30 enemies
Open 12 treasures
Beat the boss Xenofungus
Beat the sixth level
Defeat 15 enemies
Beat the third level
Collect 2,500 coins
Open 6 treasures
Open 3 treasures
Beat the first level
Collect 500 coins
Defeat 5 enemies
Beat the boss Goon