X-13: Attack of the Infiltrator!

X-13: Attack of the Infiltrator! is a side quest in the Fallout: New Vegas add-on Old World Blues. After completing this quest, the player is awarded with the "Cardiac Arrest!" trophy/achievement.

Quick walkthrough

 * 1) Enter the X-13 testing facility and find all 3 parts to the stealth suit Mk II.
 * 2) Activate the basic infiltration test to begin initializing the stealth suit.
 * 3) Avoid the lasers and retrieve the X-13 document, start the Expert and Robot Compliance test

Detailed walkthrough

 * Enter the X-13 testing facility.
 * Find all 3 parts to the stealth suit Mk II.
 * Activate the basic infiltration test to begin initializing the stealth suit.
 * Get the X-13 document from the Administrator's wall safe.
 * (optional) Go back to the test terminal and start the Advanced test.
 * Avoid the lasers and retrieve the X-13 document from the Administrator's wall safe.
 * (optional) Go back to the test terminal and start the Expert test.
 * Avoid the lasers and perimeter mines and retrieve the X-13 document from the Administrator's wall safe.
 * (optional) Go to the test terminal and start the Robot Compliance test.
 * Avoid the lasers and perimeter mines and deactivate all 3 robobrains.