Unofficial fan wiki. Not affiliated with Space Rock Games or UNIKAT Label.

Doomsday Diner FAQ: Price, Platforms, Multiplayer & More

Short answers to the questions people actually ask before buying Doomsday Diner. Every answer below traces to the official Steam listing, the itch.io page, or the publisher's page — checked on 2026-07-26.

Official Sources for each answer are listed in the verification ticket at the bottom of this page.

How much does Doomsday Diner cost?

The US Steam price is $9.99. At launch it carried a 15% introductory discount ($8.49) listed as ending August 6, 2026. Regional prices vary; check the Steam page for yours.

What platforms is Doomsday Diner on?

Windows PC only, sold on Steam. There are no macOS, Linux, or console versions announced, and as of 2026-07-26 Valve has not assigned a Steam Deck compatibility rating.

Is Doomsday Diner multiplayer or co-op?

No. The Steam listing marks it single-player only. No multiplayer or co-op mode has been announced.

Is there a free demo?

Yes. Space Rock Games hosts a free Windows demo (roughly a 988 MB compressed download) on the official itch.io page. The full game is Steam-only.

When did Doomsday Diner come out?

July 23, 2026, on Steam (App ID 3846290). Developed by Space Rock Games and published by Space Rock Games together with UNIKAT Label.

What languages does Doomsday Diner support?

The Steam listing shows 12 interface/subtitle languages — English, French, German, Spanish (Spain), Japanese, Polish, Portuguese (Brazil), Russian, Simplified Chinese, Traditional Chinese, Italian, and Korean. Only English has full audio.

How many achievements does Doomsday Diner have?

23 Steam achievements. Steam publishes descriptions for 14 of them; the other 9 are hidden with undisclosed conditions.

Does Doomsday Diner support VR?

No VR support is listed on Steam, and no official source announces any. Treat any VR claim as unverified.

Have a question we haven't covered?

If it's answerable from an official source, we'll add it — the contact page explains how to reach us. Questions whose answers would require guessing (hidden achievement conditions, upgrade prices, story details) wait for release-build verification instead; that boundary is the whole point of our editorial policy.

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