Release Notes: The slow time rate on some Linux installations was fixed. The makefile was fixed for Ubuntu 12.04. Other minor improvements were made.
Release Notes: New game rules have been added, including "rebellions" and "Great Projects". Game winning conditions have been added. Improvements have been made to the user interface.
Release Notes: A new gameplay concept was added, elements which have to be mined to build units and improvements. Bugs with ATI graphics were fixed. The Linux version now supports installation, and Ubuntu binaries are available. Improvements were made to the AI. An animated water effect was added. Performance was improved on Windows.
Release Notes: Various crashes were fixed. Improvements were made to the AI. The ability to play on custom maps was added. Improvements were made to the "world map" view. Various other minor improvements were made.
Release Notes: New music, sound effects, and graphics were added. New civilizations (Russians and Japanese) were added. In-game help is now available, along with HTML reference. The user interface and input model was improved. Units, improvements, and bonus resources are now initialized via Lua scripts. A linking problem with the makefile on some Linux distributions was fixed. Various bugs were fixed.
Release Notes: New features were added: Fog of war; sea combat units; bonus resources; right of passage agreements; and veteran units. Improvements were made to the AI and to the user interface. Various bugfixes.
Release Notes: An assertion failure on some maps due to 3D view with terrain splatting was fixed. Improvements were made to AI and performance. Lua scripting is now supported for AI, civilization races, and technologies.