Actually they might just use cider (http://www.transgaming.com/business/cider/ http://www.transgaming.com/business/cider/), which is afaik similar to wine. Half

Actually they might just use cider (http://www.transgaming.com/business/cider/ http://www.transgaming.com/business/cider/), which is afaik similar to wine. Half Life 2 and other source engine games seem to run just fine on wine, getting Gold and Platinum ratings (http://appdb.winehq.org/objectManager.php?sClass=version&iId=2890 http://appdb.winehq.org/objectManager.php?sClass=version&#38...), so this looks like the easier route to me.