Here is the full list of all 28 Max: The Curse of Brotherhood trophies - there are 9 bronze, 12 silver, 6 gold and 1 platinum.
You unlocked every trophy of the game!
You defeated Mustacho and saved your brother!
You defeated Mustacho without dying even once!
No evil is safe from you and your grabby hands.
You found and assembled the entire Amulet for the Old Lady!
You didn't die in Death By Lava.
You drew 200 water streams.
You stole back your kid brother like a boss!
You lit 25 enemies on fire. Oh the things one does for brotherly love.
It's all in the fingers and fiery balls of death.
You drew 200 vines.
You destroyed 50 of Mustacho's Evil Eyes. His control is diminishing!
You found and assembled 12 pieces of the lost Amulet.
You completed a level without dying.
You escaped the Beast without dying!
You drew 200 branches.
You found and assembled 6 pieces of the lost Amulet.
You destroyed 25 of Mustacho's Evil Eyes. Consider his surveillance network impaired.
Killed a Bomber with his own bomb.
You made 5 critters explode and survived it. Your clothes might need a rinse though.
Up you go.
Time Marches On (Rang a bell).
You tamed the Spikester! ...Lucky you.
One Sea of Sand, 2 earth pillars, 3 drawings - piece of cake.
You destroyed the first 5 of Mustacho's Evil Eyes. That'll teach him.
You used the Magic Marker 25 times.
You found the first piece of the lost Amulet.
And just in time for tea! (Reached the old lady in under 5 minutes).