Acquire all trophies
Collect enough medallions to access all pyramid chambers
Complete game without the valley dying
Defeat the Alpha
Complete Wendigo Lake
Complete Susurrus Valley
Complete Titan Rock
Complete the Soma Facility
Complete the Soma Reactor
Complete Camp Henday
Complete the Proving Grounds
Complete Smoke Lake
Complete the Astra Facility
Gain entry to the Sussurian Pyramid
Gain entry through all the acorn doors
Find Virginia’s music box
Acquire the Lifeseed
Stop the Astra Facility from killing the valley
Collect all energy upgrades
Acquire all upgrades for the L.E.A.F. suit
