Here is the full list of all 36 Max: The Curse of Brotherhood achievements worth 1,000 gamerscore.
No evil is safe from you and your grabby hands.
You found and assembled the entire Amulet for the Old Lady!
You stole back your kid brother like a boss!
You found and assembled 12 pieces of the lost Amulet.
You defeated Mustacho without dying even once!
One Sea of Sand, 2 earth pillars, 3 drawings - piece of cake.
And just in time for tea! (Reached the old lady in under 5 minutes.)
You escaped the Beast without dying!
You didn't die in Death By Lava.
You completed a level without dying.
You defeated Mustacho and saved your brother!
You drew 200 fireballs.
Killed a Bomber with his own bomb.
You took care of that pesky Beast once and for all!
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 found your kid brother!
You destroyed 50 of Mustacho's Evil Eyes. His control is diminishing!
You found and assembled 6 pieces of the lost Amulet.
You drew 200 water streams.
You made the world a little greener.
You escaped the Beast - again!
You drew 200 vines.
Being afraid of the dark is for sissies anyway.
You drew 200 branches.
You destroyed 25 of Mustacho's Evil Eyes. Consider his surveillance network impaired.
You drew 200 earth pillars.
Huh, time really DOES slow down when you're in danger.
Up you go.
Time Marches On (Rang a bell.)
You made it safely past the Stone Pillars of Black Rock Canyon.
You made 5 critters explode and survived it. Your clothes might need a rinse though.
You found the first piece of the lost Amulet.
You tamed the Spikester! ...Lucky you.
You destroyed the first 5 of Mustacho's Evil Eyes. That'll teach him.
You used the Magic Marker 25 times.