Retro Mario Worlds is a mod that recreates the worlds of the retro games in the Super Mario series, adding biomes, enemies, blocks, and power-ups.

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This mod adds:

• 8 Worlds and Structures

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• Variety of enemies and Bosses

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• 8 power-ups and tools

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• Warp Whistle It transports you to the world of Super Mario Bros. 3

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• Return Whistle Returns you to the overworld

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• Pipe Linker works to connect two teleportation pipes

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• A Variety of standard, functional, and decorative blocks

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• Special Keys

• Some power-ups have an additional effect when you crouch and press the power-up button.

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• This mod is made out of love for the classic Super Mario games. The textures and sounds are generally the property of Nintendo; I am only recreating them in Minecraft.

• The mod may have bugs or errors that I will fix as I update it.

• This mod requires the following mods to function properly: Geckolib, Kleiders Custom Renderer API and Fusion (Connected Textures)

Here are the direct links: 

Fusion Mod

Geckolib Mod

Kleiders Custom Renderer API