How many people are playing Unknown Horizon Playtest right now?

Unknown Horizon Playtest is app 4626320 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Unknown Horizon Playtest?

0 concurrent players on 24 Sep 2026.

When was Unknown Horizon Playtest released on Steam?

Unknown Horizon Playtest was released on Steam on 22 Apr 2026.

Unknown Horizon Playtest News

10 announcements · from Unknown Horizon Playtest’s Steam news feed

All gamesRead every half hour while active

Everything Updates8 Major updates2 In-game events1 Community1

Major update20 Aug 20260.0.59-EARC1 The End is Nigh!This build represents the first release candidate for Early Access! The game now has an "Ending", albeit a bit basic as it stands, which means the main game loop is complete, and Unknown Horizon is officially a playable game. That doesn't mean I'm "happy" with it, or that I consider it "complete". There's a lot of things I'd like to add, and the story is nowhere near as long as I want it to be,…

Published	Kind	Announcement	Build
5 Jul 2026, 18:21 UTC	Major update	Game Renamed! (and v0.0.56 released) I During the development of my game I discovered that there was already a game called "Unknown Horizons" released in 2019. It has a totally different theme, and there's no fear of any actual IP infringement, but having two games with the same name is not "the done thing" and would cause confusion, so I've decided to drop the S off the end and rename my game to "Unknown Horizon". This is very fi…	24062786
5 Jul 2026, 18:03 UTC	Game update	v0.0.56 Rewriting the Galaxy Literally everything has changed! The code has been rewritten from the ground up! - New graphics - New sounds - New menus - New dialogue - New burrito - New galaxy generation system - New planet generation system - New inventory system - New crafting system And yet... the game is still the same. Known issues: Some item graphics (ship upgrades) are yet to be created, they will follow soon(ish)	—
28 Apr 2026, 19:16 UTC	Game update	v0.0.16-ALPHA - Unlike Earth I think I'm getting very close to a demo build. I need lots of feedback from playtesters, please. A new wave of testers will be approved very shortly. Added Asteroid belts and asteroid cluster locations Added Mining Bay which contains 5 mining drones and doubles as a prospector for seeing asteroid contents Mass Spectrometer now detects systems with asteroid belts and planets with a station Twea…	—
26 Apr 2026, 17:48 UTC	Game update	v0.0.15-ALPHA - The Premo Build We are on the road to a releasable demo. This is a pre-demo... or premo. Added survival mechanics: · Fuel (Running out prevents planet landing, and slows flight in a star system) · SBD Fuel (Running out makes galactic flight slow) · Oxygen (Running out... well.. don't do that) · Food (Running out makes you walk sloooow) · Water (Running out... you don't want that either) Added ability to create…	—
24 Apr 2026, 21:32 UTC	Game update	v0.0.14-ALPHA This build pushes us toward having a demo version ready for next fest. There's still some polish and changes to be made, but a demo is getting closer. Changes in this build include: · The start of the reputation systems role in the game · New "cutscene" style conversation system · A "conclusion" to what will be the demo cycle · A credits screen · Changes to star system arrival location calculat…	—
22 Apr 2026, 22:00 UTC	Steam news	Playtesting Begins! With the first public build approved, I'm now in a position to start playtesting Unknown Horizons! It feels weird to put this game into the hands of strangers, and I'm very hesitant... but ultimately I want to know what people think as early as possible so I can shape the game into something they will enjoy. Playtest Means Bugs All playtest builds will be very much incomplete, may contain exper…	—
22 Apr 2026, 21:27 UTC	Game update	v0.0.13-ALPHA New "Theme" music added. No more GenAI content! · New ship graphics for the three exisiting ships · Station graphics overhaul started. WIP · Factions and Missions introduced, although currently in basic form	—

Published

Kind

Announcement

Build

5 Jul 2026, 18:21 UTC

Major update

Game Renamed! (and v0.0.56 released)

I During the development of my game I discovered that there was already a game called "Unknown Horizons" released in 2019. It has a totally different theme, and there's no fear of any actual IP infringement, but having two games with the same name is not "the done thing" and would cause confusion, so I've decided to drop the S off the end and rename my game to "Unknown Horizon". This is very fi…

24062786

5 Jul 2026, 18:03 UTC

Game update

v0.0.56 Rewriting the Galaxy

Literally everything has changed! The code has been rewritten from the ground up! - New graphics - New sounds - New menus - New dialogue - New burrito - New galaxy generation system - New planet generation system - New inventory system - New crafting system And yet... the game is still the same. Known issues: Some item graphics (ship upgrades) are yet to be created, they will follow soon(ish)

—

28 Apr 2026, 19:16 UTC

Game update

v0.0.16-ALPHA - Unlike Earth

I think I'm getting very close to a demo build. I need lots of feedback from playtesters, please. A new wave of testers will be approved very shortly. Added Asteroid belts and asteroid cluster locations Added Mining Bay which contains 5 mining drones and doubles as a prospector for seeing asteroid contents Mass Spectrometer now detects systems with asteroid belts and planets with a station Twea…

—

26 Apr 2026, 17:48 UTC

Game update

v0.0.15-ALPHA - The Premo Build

We are on the road to a releasable demo. This is a pre-demo... or premo. Added survival mechanics: · Fuel (Running out prevents planet landing, and slows flight in a star system) · SBD Fuel (Running out makes galactic flight slow) · Oxygen (Running out... well.. don't do that) · Food (Running out makes you walk sloooow) · Water (Running out... you don't want that either) Added ability to create…

—

24 Apr 2026, 21:32 UTC

Game update

v0.0.14-ALPHA

This build pushes us toward having a demo version ready for next fest. There's still some polish and changes to be made, but a demo is getting closer. Changes in this build include: · The start of the reputation systems role in the game · New "cutscene" style conversation system · A "conclusion" to what will be the demo cycle · A credits screen · Changes to star system arrival location calculat…

—

22 Apr 2026, 22:00 UTC

Steam news

Playtesting Begins!

With the first public build approved, I'm now in a position to start playtesting Unknown Horizons! It feels weird to put this game into the hands of strangers, and I'm very hesitant... but ultimately I want to know what people think as early as possible so I can shape the game into something they will enjoy. Playtest Means Bugs All playtest builds will be very much incomplete, may contain exper…

—

22 Apr 2026, 21:27 UTC

Game update

v0.0.13-ALPHA

New "Theme" music added. No more GenAI content! · New ship graphics for the three exisiting ships · Station graphics overhaul started. WIP · Factions and Missions introduced, although currently in basic form

—