I want to experiment and test designs on a computer too weak to run Minecraft at any reasonable speed, and without distractions like night time, mobs blundering onto railway tracks, Endermen dismantling my construction, and so on.

Is there a way to run Redstone tests/simulations that support the 1.5 features? I understand analog features like comparators might take a while, but I'd like to experiment with circuits involving Redstone Blocks pushed around by pistons, and I can't find any simulators online that currently support them.

  • 3
    For experiments, you can always use Sandbox modes (Creative + superflat). Currently, there is - to my knowledge - no simulator for redstone, as a) there is a way to do this easily in-game now and b) the redstone rework still seems less-than-optimal and might change yet again.
    – user98085
    Jun 12, 2013 at 11:17
  • 8
    The best redstone simulator is Minecraft.
    – Alvin Wong
    Jun 12, 2013 at 12:52

1 Answer 1


There are currently no simulators that support 1.5 redstone functions. You could instead consider running a toned down version of Minecraft on Superflat, Peaceful, Optifine, etc.

  • 1
    Also/alternatively: /gamerule doDaylightCycle false, /time set day, and /gamerule doMobSpawning false. Oct 7, 2013 at 22:29
  • Yes, those will help too :)
    – Timtech
    Oct 8, 2013 at 11:16

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