These are the updated answers to Wordbrain 2 Archaeology (Word Specialist 3×4)
Wordbrain 2 Archaeology Level 1 – Pyramid, Crypt
Wordbrain 2 Archaeology Level 2 – Museum, Viking
Wordbrain 2 Archaeology Level 3 – Ancient, Ruins
Wordbrain 2 Archaeology Level 4 – Treasure, Tomb
Wordbrain 2 Archaeology Level 5 – Civilization

The solutions to the puzzles were last updated on March 20, 2019