Minecraft - Very Efficient Zombie Pigman Gold Farm (2500 Gold Nuggets/Hour!)

This Gold Farm design uses the feature in Minecraft 1.4 that allows mobs to travel through portals. We use a highly efficient Mobtrap design to push the Zombie Pigman through a portal into the overworld where they can be killed by fall damage and their loot can be transferred to an unloaded chunk for storage.\r
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Tripwire Mobfarm design by:\r
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How to build efficient Mobfarms: \r
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Using unloaded chunks to store items:\r
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World Download: \r