Call every Healing Radio frequency

Collect every type of frog

Create the Ocelot Time Paradox

CQC Hold up an enemy

Capture any animal alive

CQC Slam a guard and knock him out

Disorient an enemy with a cloud of smoke from a fire extinguisher

Complete a VR or Alternative mission

CQC Slit an enemy's throat

Eat a snake of any type

Complete Training Course.

Ring Bell of Awakening in Quelaag's domain.