
SOURCEVOID ONLINE
A downloadable game for Windows
Be patient, it's a long way to the bottom.
Heavily inspired by Anomidae's INTERLOPER webseries, Sourcevoid Online is a massively online multiplayer fan game where you literally fall onto contemporary and forgotten community maps created for Valve’s original line-up of Source Engine titles.
Powered by a custom, remarkably accurate Source Engine asset importer developed for Godot Engine; the game allows you to explore countless maps from Half-Life 2, Counter-Strike: Source, Team Fortress 2, Garry's Mod and other games.
You can play alone or gather with your friends by inputting the same spawn seed on the main menu. Featuring proximity text and voice chats, if lucky enough you might randomly come across and interact with other players exploring the vast void... but be wary: the entities native to this environment do not want you to be here. Can you make it to the door?
This game requires Steam and a legal copy of Half-Life 2 to be installed.
Counter-Strike: Source and Team Fortress 2 are optional but required for all assets to display properly.
Official soundtrack by acorn
https://linktr.ee/officialacorn
Logo and promotional art by Harvey
https://www.youtube.com/@rodbellini
OFFICIAL 333 SOFTWARE DISCORD
https://discord.gg/333software
OFFICIAL 333 SOFTWARE FORUM
https://forum.333software.net/
OFFICIAL 333 SOFTWARE PATREON
https://patreon.com/333SOFTWARE
Half-Life 2, Team Fortress 2 & Counter-Strike: Source by Valve Corporation
https://store.steampowered.com/bundle/232/Valve_Complete_Pack/
PROJECT SKY//BOX • INTERLOPER by Anomidae
https://www.youtube.com/@Anomidae
Godot Engine by Juan Linietsky, Ariel Manzur and contributors
https://godotengine.org/
| Updated | 8 days ago |
| Published | 14 days ago |
| Status | In development |
| Platforms | Windows |
| Release date | 16 days ago |
| Rating | Rated 4.8 out of 5 stars (13 total ratings) |
| Author | 333 SOFTWARE |
| Genre | Survival |
| Made with | Godot |
| Tags | 3D, Atmospheric, Exploration, First-Person, Godot, Liminal space, Massively multiplayer, MMORPG, Multiplayer, Survival Horror |
| Average session | About a half-hour |
| Languages | English |
| Inputs | Keyboard, Mouse, Gamepad (any) |
| Multiplayer | Server-based networked multiplayer |
| Content | No generative AI was used |
Download
Install instructions
Steam is required to be running and connected to the internet for authentication.
Play on Linux by running as a non-Steam game with any Proton compatibility layer.
Running Steam on Flatpak requires drives to be mounted for games to be detected.
Microsoft fonts can optionally be installed to correctly display UI texts.





Comments
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10/10 game
my mate became a train and i've gone mental looking for a door.
ty nox very cool!
This is one of the greatest experiences with gaming I've had in recent memory. Every session is unique and memorable and the game is genuinely intense. If you're even remotely a fan of what this game has to offer? Please, do yourself a favor and dive in.
I don't think there's a better game out there
LemonChecker [not] automated review:
Game: "Sourcevoid Online"
Playtime: ~200 hours
Friends made: Yes
Liminality: 7
Mechanics: 8
Terror: 9
Vibes: 10
Okay but seriously this game is really cool. I've been playing it for like half a year now. Nox even added a few of my maps to the game, which is awesome. I highly recommend this game for anyone that likes exploration, liminality, or the Interloper series.
Image: A large group of players exploring my map during an event.
(And in case it's against the rules and some moderator is reading this, this review isn't actually automated, that's just a bit)
This game is cool af
i source my void from here (online)
I chased someone for the past 10 minutes.
An umbrella man has been chasing me for the past 10 minutes help me
i love game 10/10
10/10, would buy their patreon again
very gud owner is nice 9/10 still in beta so ofc alot of bugs and alot of features i would like missing but besides that its very good game just to explore with friends or not
Fun to fall 10/10 :3