Metal Gear Solid V: Ground Zeroes secrets

This article lists the secrets of Metal Gear Solid V: Ground Zeroes.

Unlockables
There are 23 unlockables in all.

Side ops
Beat the main story. Includes "Eliminate the Renegade Threat," "Intel Operative Rescue," "Classified Intel Inquisition," and "Destroy the Anti-Air Emplacements."

Fastest Marking of All Enemies trial on normal
Beat the main story

Hard mode
Complete the main story on normal difficulty

Skull Face's tape
Acquire all of Chico's tapes

Deja Vu/Jamais Vu
Collect all XOF patches (Deja Vu for the PS3/PS4 version, and Jamais Vu for the Xbox 360/Xbox One version)