Try out a demo version of the stand-alone prequel to Kohan: Immortal Sovereigns.
Kohan: Ahriman's Gift by TimeGate Studios - playable demo
Features
Two factions to play (Nationalist and Ceyah)
Two independent races (Slaanri and Gauri)
A single player campaign mission
A multiplayer map for two players, human or AI
A basic tutorial
System Requirements
Windows 9x/ME/2000
Pentium II (or equivalent) 233 MHz, 64MB RAM
150MB disk space, Mouse, Keyboard
DirectSound compatible card
DirectX 7.0 Compatible Video Card with 4MB video RAM
Monitor and Video Card capable of 1024x768 resolution @ 16-bit
Internet Connection (56K Modem minimum) or LAN for Multiplayer