User blog comment:Boom&Bust/Hey, I'm a new member.../@comment-1373755-20100401050510

Most enemy types are back, with a few differences (for example, Nitro Splicers are gone, but Leadhead Splicers can throw grenades now) And yes, those shrines made it into the final game, but as far as I know they don't do anything important other than add to the atmosphere.