Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely can't win. Doesn't work on MacOS 11.15 or higher.
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VRChat AlternativesTop Social Networks & Simulation Games like VRChat
VRChat is described as 'Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat' and is a simulation games in the games category. There are more than 10 games similar to VRChat for a variety of platforms, including Windows, Android, iPhone, Linux and Web-based apps. The best VRChat alternative is Garry's Mod. It's not free, so if you're looking for a free alternative, you could try Overte or ChilloutVR. Other VRChat like games are WorkAdventure, Second Life, Resonite and OpenSimulator.
Alternatives list
30 Garry's Mod alternatives
11 Overte alternativesOverte is an open-source 3D client and server solution that allows for vast social & educational environments to be created and lived in while also being shared in real-time with others.
Overte vs VRChat Comments
ksuprynowiczIt's open source, you can host worlds on your home PC and build them together with friends in game. It also has VR and full-body tracking support.
Unlike VRChat, Overte is free from the constraints of a for-profit company. There is no censorship and modifications are not only possible but you can improve the code directly or create an application using the JavaScript API.
- Overte is Free and Open Source
- Overte is a Simulation Games
The main goal is to provide a secure and performant base game for creators and players around the world.
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ChilloutVR vs VRChat Comments
ChilloutVR is a lot like VRChat but the CVR developers embrace and support modding rather than banning it.
Very unity like vrchat its easy to switch and still have much of the things
ChilloutVR does not have EAC
- ChilloutVR is Freemium and Proprietary
- ChilloutVR is a Simulation Games
Retro computing 2D virtual environment where folks can work around, meet - establish (video) conversations just like on a real congress.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Online
WorkAdventure vs VRChat Comments
I am looking for VR and 3D. Not Pixels.
- WorkAdventure is Free and Open Source
33 Second Life alternativesExplore a vast 3D world where avatars interact in user-generated spaces. Customize avatars, monetize creations, join diverse communities, and utilize a virtual economy with Tilia. Engage in social, educational, or corporate experiences in this original metaverse.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
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Second Life vs VRChat Comments
It's not a VR title. The primary function of VRChat is that it is a VR social game. So, whilst VRC does have a "desktop mode". and SL is similar, if not more advanced, in nature to VRC, fundamentally, those seeking out an alternative to VRChat are likely looking for a VR alternative, of which Second Life need not apply.
- Second Life is Freemium and Proprietary
- Second Life is a Simulation Games
Resonite is a free collaborative social VR & desktop sandbox platform, where users can socialize in a virtual environment and create objects, avatars & worlds together.
Cost / License
- Free
- Proprietary
Platforms
- Windows
- SteamVR
- Steam
- Linux
- SteamOS
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- 19 OpenSimulator alternatives
OpenSimulator is an open-source server platform for hosting virtual worlds and the Metaverse. It is largely compatible with the virtual world Second Life but compatibility is not a design goal.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
O 
Vircadia is an open-source 3D interface and server solution that allows for vast social & educational environments to be created and lived in while also being shared in real-time with others.
Vircadia vs VRChat Comments
silverfishvrDecentralized and free from corporate restrictions
- Vircadia is Free and Open Source
- Vircadia is a Simulation Games
PLAY, CREATE, PARTY! Tower Unite is a community-based virtual world party game with online games, entertainment, activities, and absolutely NO microtransactions.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Steam
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16 ActiveWorlds alternativesActiveworlds hosts a Universe of over 500 3D virtual reality worlds. In these worlds you can choose from a vast array of avatars that fit your personality (or your perceived personality - that's half the fun!).
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
Furcadia is the magical world where the animals have learned to speak and walk upon two legs. Create your own customizable avatar and start exploring the friendly online game (MMOG) with rich player-driven content.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
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Furcadia vs VRChat Comments
This too is not VR and 3D.
- Furcadia is Free and Proprietary
The platform enables user-created 3D spaces where people can create and share interactive social experiences, such as playing games, watching videos, and having conversations in VR.
Germany
EU
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United States
free, open-source, decentralized, and cross-platform