Its a game heavily "inspirated" by gmod, and its using jbmod as a base.

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Ultimate Sandbox Version 3

Ultimate Sandbox Version 3

Full Version 2 comments

that version is much better then before, more tools to play with, new NPCS, etc.

Ultimate Sandbox Version 2

Ultimate Sandbox Version 2

Full Version 1 comment

Second version yay! New original map because why not.

Ultimate Sandbox Version 1

Ultimate Sandbox Version 1

Full Version 1 comment

The first version of my sandbox game :D Have fun!!!

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NOUG4AT
NOUG4AT - - 239 comments

Horrible. It’s better to download original Gmod or JBMod than it…

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Guest
Guest - - 693,020 comments

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SlipperyKeyboard
SlipperyKeyboard - - 1 comments

How To Install The Mod?

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Zak_The_Source_Boi Creator
Zak_The_Source_Boi - - 4 comments

You just put the game files in "sourcemods" you will find it where Steam is installed on your PC. If it still doesn't work try installing Source 2007 or 2008 but because the new versions require 2013 so yeah that's all you have to do

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Shelby_Kun
Shelby_Kun - - 20 comments

This is a Half-Life 2 mod...?

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lucianoends
lucianoends - - 147 comments

Why is this on the original Half-Life 1 mods?

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Zak_The_Source_Boi Creator
Zak_The_Source_Boi - - 4 comments

Probably Moddb though its a hl1 mod

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lucianoends
lucianoends - - 147 comments

oh

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