Here is the full list of all 20 Sid Meier's Civilization Revolution achievements worth 200 gamerscore.
Win as Rome
Explore your first natural wonder
Win as Greece
Research your first technology
Earn a special unit ability in combat
Win as the Zulu
Win as the Arabs
Win a game with all Civilizations
Win as the Aztecs
Win as China
Win as Egypt
Win as England
Win as France
Win as Spain
Win as the United States
Win as Germany
Win as India
Win as Japan
Win as Mongolia
Win as Russia