X-13: Attack of the Infiltrator!

X-13: Attack of the Infiltrator! is a main quest in the Fallout: New Vegas add-on, Old World Blues. Upon completion, the player is awarded with the "Cardiac Arrest!" trophy/achievement. Part of this quest overlaps with the subsequent Project X-13.

Synopsis
The psychoanalytic cardiac-dampening sneaky stealth suit is needed to infiltrate the Forbidden Zone and rid the Big Empty of Mobius.

Walkthrough

 * 1) Travel to the X-13 research facility.
 * 2) Recover the prototype X-13 gloves, prototype X-13 boots, and prototype X-13 chest plate.
 * 3) Activate the Basic infiltration test to begin initializing the assembled stealth suit Mk II.
 * 4) Acquire the X-13 document from the administrator's wall safe to complete stealth suit initialization.