OpenTTD
A transport-empire strategy game, free and endlessly moddable.
Strategy games — download for Windows PC
Free strategy games about transport networks and ancient civilizations.
4 programs
15.3
0 A.D.
A historical real-time strategy game in the spirit of Age of Empires.
The Battle for Wesnoth
Turn-based fantasy strategy with campaigns and multiplayer.
Freeciv
Free turn-based civilization strategy for PC.
How to choose
Choose a strategy game by pace and setting. OpenTTD focuses on transport networks, Freeciv on civilization management, Battle for Wesnoth on turn-based battles and 0 A.D. on real-time combat.
For a low-end PC, compare requirements and the scale of the game you plan to play. A large map or many units can increase the load even when a small scenario runs well. Check multiplayer version compatibility before inviting friends.