I have lots of mods installed on my Minecraft client. How can I make certain mods only work in certain worlds?

For example, how can I make the train mod work only for one of my worlds not the others and have BuildCraft work for all my worlds except the one with the train mod?

  • That would not be possible, or at least a hell of a lot of work. May 25, 2014 at 7:46
  • I get what you are trying to ask, but could you maybe make it a bit clearer for others who might want to answer this question? Maybe edit your question? May 25, 2014 at 16:03

1 Answer 1


I would recommend downloading and trying Magic Lancher. You can easily enable and disable mods or even set different configurations.

For example:

Configuration 1 = Train mod on and build craft off.

Configuration 2 = Train mod off and build craft on.

You can easily change between configurations before you launch the game.


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