Now that we have all of the available gear, have looted all of the Crypts and completed all of the Challenge Tombs, this is a great time to head out and mop up the rest of the outstanding collectibles/challenges in the other regions.

If you have followed the guide to this point, you’ll want to do the following to finish the game with 100% completion:

• Siberian Wilderness – Find the final two Relics.
• Geothermal Valley – Hand in ‘Ancient Secrets’ side-mission. Complete the ‘High Diving’ and ‘Tossing Gourds’ Challenges. Find the final Survival Cache and Document. Grab the four remaining Coin Caches.
• The Acropolis – Find the final Document and Coin Cache.
• The Flooded Archive – find the final Mural and the last two Coin Caches.
• Soviet Installation - Complete the ‘Capture the Flag’ and ‘ Difference of Opinion’ Challenges. Find the final Strongbox and Survival Cache. Grab the seven remaining Coin Caches. Purchase all remaining items from the Supply Shack.