Make Snake throw up

Eat a snake of any type

Submit Ocelot

CQC Hold up an enemy

CQC Slit an enemy's throat

CQC Slam a guard and knock him out

Collect all dog tags in the Plant chapter to obtain the Blue Wig

Get the Plant stealth suit

Get the brown wig

Clear the game without entering alert mode (not including events where alert mode is mandatory)

Complete all VR and Alternative missions

Take a clear photograph of the ghost image in Hold No. 2

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