Demo version offers two playable scenarios for free
This completely free demo of Combat Mission: Red Thunder is available for both the PC and Mac OS X platforms. This free demo version contains limited functionality and content intended to showcase the full version of the game, which can be purchased here.
Two playable scenarios: Tankovyi Desant and Monster Mash QuickBattles are disabled (but the QB setup screen is visible) multiplayer modes (PBEM/TCP) are fully enabled the Scenario Editor is enabled and fully functional, but it will not allow you to purchase units, load, or save any maps contains nag screens during launch end exit of the demo.
Download Links (Windows PC) ~684 MB
Download Links (MAC OS X) ~1025 MB