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Preface: Undiscovered World

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App ID 2820060
App Type Game
Developer
Publisher PLAYERUNKNOWN Productions
Supported Systems Windows
Last Changenumber 30744523
Last Record Update 23 August 2025 – 09:16:07 UTC ()
Release Date 5 December 2024 – 08:00:48 UTC ()
❓ 45.73%
77 reviews
0
In-Game
😌 Casual 🛠️ Game Development 🆓 Free to Play 🐤 Early Access 🔧 Utilities

Preface is an immersive tech demo showcasing Melba, PLAYERUNKNOWN Productions' groundbreaking technology generating an Earth-scale world. In this project still in development, experience our machine learning agents creating a planet in real-time, directly on your GPU.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer PLAYERUNKNOWN Productions
ReleaseState released
Publisher PLAYERUNKNOWN Productions
IsFreeApp Yes
eulas
0 ↴
id2820060_eula_0
namePreface: Undiscovered World EULA
urlhttps://store.steampowered.com//eula/2820060_eula_0
version4
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 5 December 2024 – 08:00:48 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.com/invite/playerunknownproductions
https://x.com/pp_socials
https://www.youtube.com/@PLAYERUNKNOWNProductions
Primary Genre Free to Play (37)
Store Genres Casual (4), Free to Play (37), Game Development (60), Early Access (70)
Steam Release Date 5 December 2024 – 08:00:48 UTC ()
Store Asset Modification Time 6 August 2025 – 15:06:12 UTC () (1754492772)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionUpperCenter
width_pct71.82662435588895
height_pct82.58606411924762
osextended empty string
Is free on the store? Yes
review_score 5
review_percentage 44
Detected Technologies (?) AMD_FidelityFX SDK, NVIDIA_DLSS SDK, SDL SDK, cURL SDK
controllertagwizard Yes
AI Content Type 2
Early Access Release Date 5 December 2024 – 00:00:00 UTC ()
First seen on SteamDB 1 February 2024 – 15:43:56 UTC (), in changelist #22154505

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes

Tags

😌 Casual 🛠️ Game Development 🆓 Free to Play 🐤 Early Access 🔧 Utilities 📚 Software Training 💾 Software

Categories

Single-player Early Access Profile Features Limited

Assets

Load all asset images
clienticon cee44be92eb601973197d809411d93bb7d28ea66
clienttga f47eaf21e1ebcab2c834bde3b3345765ba8ab271
icon cffd01c0f526fd5b1cb13ecdb042f4d85114c02d
small_capsule
english7d3e8c74b5b16f283fbf4bad6e641a5476c8479b/capsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishf368c37d5d1ddc14e1d3a34e0cfd253cf2b2bd34/library_600x900.jpg
image2x/englishf368c37d5d1ddc14e1d3a34e0cfd253cf2b2bd34/library_600x900_2x.jpg
library_hero ↴
image2x/english67051ec7a3ea7727d9a396244782dc2e37c826e8/library_hero_2x.jpg
image/english67051ec7a3ea7727d9a396244782dc2e37c826e8/library_hero.jpg
library_hero_blur ↴
image/english67051ec7a3ea7727d9a396244782dc2e37c826e8/library_hero_blur.jpg
library_logo ↴
image/english583606d48fe464462de980311e5f480dea8e4425/logo.png
image2x/english583606d48fe464462de980311e5f480dea8e4425/logo_2x.png
logo_position/pinned_positionUpperCenter
logo_position/width_pct71.82662435588895
logo_position/height_pct82.58606411924762
library_header ↴
image/english8d85d7500ebacb48c9e3ceffd6c90349afad17dd/library_header.jpg
image2x/english8d85d7500ebacb48c9e3ceffd6c90349afad17dd/library_header_2x.jpg
Assets
main_capsule8b062ec960db977c45499d891b45a48ca8cf66fd/capsule_616x353.jpg
small_capsule7d3e8c74b5b16f283fbf4bad6e641a5476c8479b/capsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulea69db435e566bf30f414b112b0bf7aa1d233b3a4/hero_capsule.jpg
hero_capsule_2xa69db435e566bf30f414b112b0bf7aa1d233b3a4/hero_capsule_2x.jpg
library_capsulef368c37d5d1ddc14e1d3a34e0cfd253cf2b2bd34/library_600x900.jpg
library_capsule_2xf368c37d5d1ddc14e1d3a34e0cfd253cf2b2bd34/library_600x900_2x.jpg
library_hero67051ec7a3ea7727d9a396244782dc2e37c826e8/library_hero.jpg
library_hero_2x67051ec7a3ea7727d9a396244782dc2e37c826e8/library_hero_2x.jpg
community_iconcffd01c0f526fd5b1cb13ecdb042f4d85114c02d.jpg
page_background_pathapp/2820060
raw_page_backgroundpage_bg_raw.jpg
timestamp6 August 2025 – 15:06:21 UTC
Trailers
257078894 ↴
trailer_namePreface Early Access Trailer
trailer_category0
trailer_480p/video/webm257078894/movie480_vp9.webm
trailer_480p/video/mp4257078894/movie480.mp4
trailer_max/video/webm257078894/movie_max_vp9.webm
trailer_max/video/mp4257078894/movie_max.mp4
microtrailer/video/webm2820060/795022/63eb23a4289e5ea96098dcbb6e9661a6bac94e5e/1750944509/microtrailer.webm
microtrailer/video/mp42820060/795022/63eb23a4289e5ea96098dcbb6e9661a6bac94e5e/1750944509/microtrailer.mp4
screenshot_medium257078894/6b88e4f625ed8769d5ba6db3a923b7126cd9039e/movie_600x337.jpg
screenshot_full257078894/6b88e4f625ed8769d5ba6db3a923b7126cd9039e/movie_full.jpg
trailer_base_id795022
all_agestrue
is_highlighttrue
timestamp1733432035

Launch Options

0. Unnamed launch option
Executable ecs_techdemo_app.exe
Launch Type Launch (Default)
Operating System   windows
CPU Architecture 64-bit only

Configuration

Key Value
installdir Preface
steamdecktouchscreen 1
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