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Undersea Post Office Sim cover art

Undersea Post Office Sim

Puzzle, Simulator, coming 12 November 2026

Quick facts

Single player
Yes
Multiplayer
No
Languages
10 languages

From IGDB, the game database run by Twitch. See the questions below for details.

What you need to play it

Pick your device.

MinimumRecommended
WindowsWindows 8Windows 10
ProcessorDual Core CPUDual Core CPU
Memory2 GB RAM–
Graphics1 GB4 GB
Storage800 MB available space1000 MB available space

From the publisher’s listing on Steam.

Can my PC run it?

Pick your parts for a quick check against the requirements above.

A rough comparison based on typical performance of each part. Laptop versions of a chip are usually slower.

Common questions

Can you play Undersea Post Office Sim alone?

Yes, Undersea Post Office Sim has a single-player mode.

Is Undersea Post Office Sim multiplayer?

No. Undersea Post Office Sim is listed as single player only.

What languages does Undersea Post Office Sim support?

Interface: Chinese (Simplified), Chinese (Traditional), English, French, German, Italian, Japanese, Portuguese (Portugal), Spanish (Spain), Turkish.

Subtitles: Chinese (Simplified), Chinese (Traditional), English, French, German, Italian, Japanese, Portuguese (Portugal), Spanish (Spain), Turkish.

Can my PC run Undersea Post Office Sim?

The minimum is Dual Core CPU, 2 GB RAM and 1 GB.

What platforms is Undersea Post Office Sim on?

PC.