A Focus-driven boss rush through a dark fairy tale Scarlet Kingdom
Rubinite Wiki
Rubinite is a boss rush action game from Cup Dog Games, released on Steam on Jul 22, 2026 at $15.99 in the US, down from a $19.99 list price.
- Release
- Jul 22, 2026
- Platform
- Windows, macOS
- Achievements
- 38
11
Store screenshots
Plus 1 store trailer
38
Steam achievements
Listed on the store page
0
Content descriptors
No descriptor is attached
8
Languages listed
No language is flagged for full audio support on the listing
Media
Screenshots for Rubinite, taken from the official store listing — click any shot to enlarge.
Watch the Rubinite trailer — the trailer is published on the official store listing; the link opens that page (Open the Steam store page).
Screenshots and store text: official Rubinite Steam listing (Cup Dog Games / Cup Dog Games).
1 trailer published on the Steam store page for Rubinite; the listing names it "Rubinite－Official Release Date Trailer".
Rubinite guides
Every Rubinite page by section — 8 in total, each compiled from its listed sources.
About Rubinite
What the official store listing says about Rubinite — quoted facts, not our opinion.
The store text describes an extremely challenging boss rush set in a dark fairy tale world, and names the core mechanic directly: Focus reads an enemy, exposes its weak point and sets up a lethal strike.
You play as Ruby, a princess fighting to reclaim the Scarlet Kingdom. The listing says her blade alone barely wounds the Bloodstained, and that they appear as an ancient secret cult, undying parasites and the source of a deadly plague.
Every Bloodstained killed surrenders Pureblood, which is absorbed to grow stronger and spent on Talismans that shape a combat style. The listing carries no Steam content descriptors, and one additional app (4854050) appears beside the base game.
Source: the official store listing captured for this section (platforms shown: Windows, macOS). Full citation list on every page under this section.
Latest updates
Newest and refreshed pages in this section.
- Rubinite Achievements - A Full Walkthrough of the 38 on SteamIndex
- Rubinite Features - Trailer, DLC and Full Walkthrough LimitsPage
- Rubinite Gameplay - Focus, Talismans and a Full WalkthroughGuide
- Rubinite Beginner Guide - What a Full Walkthrough CoversGuide
- Rubinite Platforms - A Full Walkthrough of Where It RunsPlatform
- Rubinite Cheat Sheet - Boss Names and Full Walkthrough NotesIndex
- Rubinite Release Date - A Full Walkthrough of the Launch FactsQ&A
- Rubinite System Requirements - A Full Walkthrough of Both TiersPlatform
FAQ
Answers use only sourced facts; unverified items are marked.
- When was Rubinite released?
- The Steam store page lists Jul 22, 2026.
- How much does Rubinite cost?
- At capture the US price was $15.99, against a $19.99 list price (20% off).
- What platforms is Rubinite on?
- The store listing lists Windows, macOS.
- How many achievements does Rubinite have?
- 38 are listed on the Steam store page.
- Who developed Rubinite?
- Cup Dog Games developed it; the listing names Cup Dog Games as publisher.
Ready to start Rubinite?
Read the beginner guide first, then pick the platform that fits how you play.
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