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+--- Thread: I made a construction/sandbox mod for Slendytubbies III Multiplayer! (/thread-1409.html)
I made a construction/sandbox mod for Slendytubbies III Multiplayer! - Miredew - 07-20-2026
Hello everyone!!!
I made a mod for Slendytubbies III Multiplayer that adds two types of building material! The first is a green cube. It has gravity, so you can push it, shoot at it, and it flies off! The second cube is red and doesn't have gravity, but you can place it on a grid like in Minecraft!
The name of the mod is "Build It", to be honest, I just named it that way.
Notes:
1. The mod only works client-side, meaning its blocks and structures are not visible to other players (including in Theatre Mode).
2. Enemies, allies, and other AI bots pass through these blocks.
3. To place a red block, approach the side of a similar red block, but not right next to it, and place it.
4. Sometimes red blocks spawn right in front of the player. Simply remove them and place them carefully.
This mod is made with MelonLoader and C#.
You can download it from my GitHub after installing MelonLoader in your game.
I also decided to show you a video review of this mod and a few screenshots!
![[Image: vibrant-snapshot-8821.webp]](https://images.iimg.live/images/vibrant-snapshot-8821.webp)
![[Image: fantastic-art-8943.webp]](https://images.iimg.live/images/fantastic-art-8943.webp)
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RE: I made a construction/sandbox mod for Slendytubbies III Multiplayer! - FanofSTSince2012 - 07-20-2026
thats cool, i will give it a shot !
okay it crashes for me, but thats alright
RE: I made a construction/sandbox mod for Slendytubbies III Multiplayer! - Miredew - 07-21-2026
(10 hours ago)FanofSTSince2012 Wrote: thats cool, i will give it a shot !Ugh, sorry bro, idk how to help you.
okay it crashes for me, but thats alright
Can you send me the MelonLoader log or the text of Error?