Freeciv is an open-source, turn-based 4X strategy game in which players develop civilizations, research technologies, and compete for territory. It supports multiplayer,...
Pros
- Adds research, cities, diplomacy, and production beyond Lux Delux
- Free, open source, and available on multiple platforms
- Supports both local and network multiplayer
Cons
- More complex and slower-paced than Lux Delux
- City and technology management can obscure the core conquest loop
- Presentation is less accessible than commercial strategy games
Free, open source