XCOM Tech Trees and Resources

XCOM: Enemy Within (2013)

Tech Tree

All the sweet new stuff is highlighted in blue for your convenience!

Updated January 9, 2014


Gray Market

What should you keep? What can be sold? Find out here!

Updated January 9, 2014


Both of these lovely charts were created and are maintained by the handsome and talented Nelson Baietti.

XCOM: Enemy Unknown (2012)

Tech Tree

How do you get invisible (Ghost) armor? What is the prerequisite for building a Foundry?

This handy-dandy chart tells all!

Updated December 11, 2012

Download: XCOM Tech Tree (2012) (right-click, save)

Somewhat-printable, ugly PDF version


Read my highly-nerdy and emotionally-charged review of XCOM: Enemy Unknown!