The Battles of the Forgotten are a series of unrelated campaign scenarios included in the Age of Empires II HD: The Forgotten expansion. They revolve around famous historic battles during the medieval period of human history.
- York (865) depicts a Viking raid in Britain.
- Dos Pilas (648) depicts Calakmul's attack on the town of Dos Pilas.
- Honfoglalás (895) depicts the Hungarian conquest of the Carpathian Basin
- Bapheus (1302) depicts the Battle of Bapheus.
- Cyprus (1191) depicts Richard the Lionheart's invasion of Cyprus during the Third Crusade.
- Langshan Jiang (919) depicts the Battle of Langshan Jiang.
- Bukhara (557) depicts the Battle of Bukhara.
- Kurikara (1183) depicts the Battle of Kurikara.