Granted, you have to buy the game to make use of these open source engines legally. But these open source engines free you from the limitations of DRM, Windows/Wine and run better than the original engines (support modern resolutions, innumerable bug fixes, etc.)
Granted, you have to buy the game to make use of these open source engines legally. But these open source engines free you from the limitations of DRM, Windows/Wine and run better than the original engines (support modern resolutions, innumerable bug fixes, etc.)