I wasn't a huge fan of the trailer either, but to each their own. No it isnt, the base game is the game which does not include DLC or mods. I'm sure you will be thorough. newlinechar Your question is basically asking why medicine is better than homoeopathy. newlinechar newline...
which were already outed by the game's reveal trailer). One cool tidbit came from an unnamed developer about under-the-hood systems carried over from older games: "There are some things we think we did better inHL1thanHL2."