Released May 29, 2026 Early Access $14.99 Positive Not counted on Steam profiles yet

Once Upon The Universe

By Paweł Witkowski ByteEncode

God Game Space Sim Sandbox Life Sim Space Strategy Simulation Pixel Graphics Sci-fiIndieEarly AccessSingleplayer

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Reviews 37 Positive

Players now 0 Peak today 0

Followers, 30 days — Not enough history yet

Once Upon The Universe is a game tagged God Game, Space Sim and Sandbox by Paweł Witkowski ByteEncode, released May 29, 2026. It has 37 Steam reviews (Positive). The Steam games most like it include X: Tension, Unending Galaxy and Biosphere Simulator.

Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.

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<a href="https://launchrivals.com/games/4689630-once-upon-the-universe"><img src="https://launchrivals.com/games/4689630/badge.png" alt="Once Upon The Universe launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/4689630-once-upon-the-universe"><img src="https://launchrivals.com/games/4689630/badge.png?theme=light" alt="Once Upon The Universe launch date" width="320" height="84"></a>

X: Tension 67% match · Space Sim, Sandbox, Space
Unending Galaxy 65% match · Space Sim, Sandbox, Space
Biosphere Simulator 64% match · God Game, Space Sim, Sandbox
Interstellar Pilot 2 62% match · Space Sim, Sandbox, Space
Evochron Mercenary 61% match · Space Sim, Sandbox, Space
Drifter 61% match · Space Sim, Sandbox, Space
Starport Delta 61% match · Space Sim, Sandbox, Space
Idol Hands 60% match · God Game, Sandbox, Strategy
Galimulator 59% match · God Game, Sandbox, Space
Space Sim Tycoon 59% match · Space Sim, Sandbox, Space

Steam data

Everything Steam lists for Once Upon The Universe · record updated 21 hours ago

Steam store

Overview

App ID4689630

Release dateMay 29, 2026

Last change number40174956

Last record update21 hours ago

App type: Game
Developer: Paweł Witkowski ByteEncode
Publisher: Paweł Witkowski ByteEncode
Steam profile: Not counted yet: Steam is still getting to know this game, so it doesn't add to game counts or achievement totals · checked 1 day ago

Windows 64-bit

Single-playerFamily Sharing

Prices

Price · US$14.99

On sale0 of 41regions right now

Lowest seen · US$14.99Oct 23, 2026

Checked1 hour agoin 41 regions

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Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
26163855	public	Oct 23, 2026
26073629	previous	Oct 20, 2026
23985955	v_0_3	Jun 30, 2026
23854441	v_0_2	Jun 22, 2026
23598211	v_0_1	Jun 6, 2026

Depots

ID	Name	Systems	Size	Download	Manifest
4689631	— English	Windows	152.4 MB	38.6 MB	3189868483761939652

Branch	Build	Updated	Access
public	26163855	Oct 23, 2026	Open
previous Previous version	26073629	Oct 20, 2026	Open
v_0_3 Last 0.3 build	23985955	Jun 30, 2026	Open
v_0_2 Last 0.2 build	23854441	Jun 22, 2026	Open
v_0_1 Last 0.1 build	23598211	Jun 6, 2026	Open

Configuration

Install foldersteamapps/common/Once Upon The Universe

Executable	Arguments	Systems	Description
Once Upon The Universe.exe		All

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

Once Upon The Universe

About Once Upon The Universe

Steam data

Overview

App info

Platforms

Features

Prices

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Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Depots

Depots

Branches

Configuration

Launch options