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Proximity Core
External sound and visual engine for many games. No mods, servers, or complex setup.

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Features
Steam Workshop
Profile Features Limited 
Requires agreement to a 3rd-party EULA
Languages:
Interface Full Audio Subtitles
English ✔
German ✔
Spanish - Spain ✔
Japanese ✔
Portuguese - Brazil ✔
Russian ✔
Simplified Chinese ✔
Spanish - Latin America ✔
See all 8 supported languages
Content
Includes Interactive Elements

In-game chat, Online interactivity

Early Access Software

Get involved with this software as it develops.

Note: This Early Access software is not complete and may or may not change further. If you are not excited to use this software in its current state, then you should wait to see if it progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Since this app is highly community-focused, gathering feedback early is very important and allows room for large overhauls before being locked into the consistent behavior expected of a full release. While the app has been tested on numerous devices prior to launch, it remains inherently unpredictable due to its interaction with other programs and the operating system. As a result, community feedback and bug reports are crucial before moving toward a fully stable release.”

Approximately how long will this software be in Early Access?

“3-5 months”

How is the full version planned to differ from the Early Access version?

“The overall goals and core concept of the app are planned to remain the same. At this stage, it’s difficult to be entirely certain what will change, as Early Access will focus heavily on community feedback and ideas. The full version is expected to be very similar to the Early Access version, but with many bug fixes and an expanded feature set. While not guaranteed, support for Linux and macOS is also planned for the full release.”

What is the current state of the Early Access version?

“Fully functional on all tested systems. Polished UI. Very extensible user customization of UI theming and App behavior. Works with many games already”

Will this software be priced differently during and after Early Access?

“The price may raise minimally at full release.”

How are you planning on involving the Community in your development process?

“This app is built upon community feedback and development since much of its content will be user generated.”
Read more

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About This Software

DISCLAIMER: LIMITED SUPPORT FOR GAMES WITH ANTI-CHEAT. SEE DETAILS BELOW

Proximity Core adds proximity voice chat, audio sources, and waypoints to supported games. It runs as a separate desktop app alongside your games. No mods installed or even game restarts required

Game support comes from bridges that provide the player and world information used by each feature. Support varies by game and bridge. Use the free demo to test your games before buying.

Proximity Voice Chat

Voices are positioned using player locations reported by the game bridge and become quieter with distance. Built in is Steam Audio's HRTF, which allows you to hear whether a voice is beside, behind, above, or below you. Headphones are recommended.

Every player in voice chat must run Proximity Core and connect it to the game. No separate voice server or port forwarding is required.

Parties and Open Session

Create a Party with a Steam invite or Party code. Players in this party will remain together as long as they stay connected.

You can also Open your networking Session. When the connected bridge supports it, Open Session mode automatically connects you with other Proximity Core players detected to be in the same in-game multiplayer session who also have Open Session mode enabled.

Audio Sources and Scenes

Import your own audio and place audio sources in the game world from the Sound Stage. Play music, ambience, playlists, loops, and cues from fixed positions with distance-based volume. Effect zones change how audio sounds within an area. Radio zones allow you to speak with players at any distances over specific channels.

Scenes save your audio sources, zones, and waypoints for each game.  All non-audio source objects may be synced among your party.

Waypoints and Game Overlay

Place waypoints in the game world and view them through the game overlay window. The overlay can also help you to modify the sound scene from within your game.

The game overlay window is experimental, off by default, and requires borderless or windowed mode on your game. Overlay support varies by bridge.

Game Support and Bridges

Proximity Core can scan your installed games. When a compatible bridge is available, select it in the Library and click Connect while the game is running.

Every bridge runs in the same restricted sandbox. Bridges cannot write directly to game memory or files, call arbitrary game functions, make network requests, or launch other programs.

Experimental broad-support bridges for Unity and Unreal games are included, but compatibility and stability varies by game. Game-specific community bridges can be installed from Steam Workshop. You can also create and publish your own bridges.

A dedicated mod may provide deeper support for one game. Proximity Core provides the same audio and visual tools across multiple supported games without installing a separate mod into each game.

Anti-Cheat

Many bridges read game memory to find player and world information. Anti-cheat software may flag this interaction, and a game's rules may prohibit it. A flag can lead to an account warning or ban.

Proximity Core blocks memory-reading bridges when it detects known anti-cheat software. Detection can fail, so check the game's rules and do not rely on this protection. Bridges that do not read game memory are often much more limited and unreliable. If your intended goal is to use this app only for Anti-Cheat protected titles, this app is likely not for you.

Early Access and Free Demo

Spatial audio, proximity voice, scenes, Parties, overlay, Open Session, bridges, and Workshop publishing are available in Early Access. Game compatibility, the game overlay window, and authoring tools may change during development. Many bug fixes will occur during this time.  If you expect a fully polished and stable product, you should wait until full release.

The free demo supports Parties with two players total, up to three games in the Library, and ten audio sources and zones combined. Open Session and the game overlay window are not available in the demo.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Non-english localization will be translated with DeepL during Early Access. No AI-generated artwork or audio is included, nor created at runtime.

System Requirements

    Minimum:
    • OS: Windows 10
    • Processor: Intel Core i3-4130 / AMD FX-4300
    • Memory: 2 GB RAM
    • Storage: 500 MB available space
    • Sound Card: DirectX compatible soundcard
    • Additional Notes: Works on x64 and ARM computers. Only supports x86/x64 games
    Recommended:
    • Additional Notes: Wired or low latency wireless stereo headphones for full experience
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