If you are looking for a guide to specifically for the second part of the game or the "Part 2" segment of a walkthrough, it generally covers the aftermath of the initial invasion and your first visit to the XCOM headquarters. Key Walkthrough Resources Comprehensive Text Guides :

The IGN Strategy Guide includes sections on weapons, enemies, and specific collectibles like backpacks and recordings. :

: If you experience crashes early in the game (common in the lab area), try deleting the configuration files in the game's install folder and verifying game files on Steam.

: This video covers Agent Carter's first visit to the secret base.

: Use your first base visit to talk to NPCs. Some dialogue choices can reveal additional intel or background story.

: The second mission introduces more complex tactical options. Use your "Battle Plan" mode to flank enemies like Turrets or Outsiders.