I llike all t ypes of metal but, Doom metal is pretty good! novembers doom candlemass or my dying bride
metal gea solid 2 and substance has the same storyline and gameplay but metal gear solid 2 substance has new features that doesn't exists in metal gear solid 2 sons of liberty like the ability to play vr training missions and showing all the cutscenes of the game. metal gear solid 3 and substance has the same storyline and gameplay but has new features like playing online and other stuff.
The latter of each game was a re-release with bonus' like VR missions and skateboarding for MGS2 and online multiplayer stuff for MSG3. There are no changes to the actual main game.