Yes....as far as I know they are. The ver 2 patch and then ver 2.5 supplement will need to be applied ( in order ) and that will bring the game up to ver 2.5. If you want the 2.51 version with the turrets that track the enemy that is available on the main forum page
Don
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"You are never to old to rock and roll if you are too young to die".--- What do you expect to be doing when you are 80?