Who should use Crossplay?

Crossplay is an open-source project built for Xteink X4 Pro e-reader owners.

Yes — Crossplay is open source under the MIT license and free to use.

What platforms does Crossplay run on?

Crossplay runs on the web, the command line, and Linux. It can also be self-hosted.

Is Crossplay still active?

The GitHub repository shows 1k commits in the last 90 days.

What projects are similar to Crossplay?

Similar projects tracked by PulseGate include osu!Collector, Diamond-Square, and savysoda.

Crossplay is developed by Crossplay contributors.

When did Crossplay launch?

Crossplay first shipped in 2025.

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Crossplay

Name: Crossplay
Author: Crossplay contributors

ma-r-s.comOther games

Crossplay is open-source firmware for the Xteink X4 Pro e-reader that adds games, puzzles, flashcards, comics, and other non-reading tools. It supports nearby play between two devices and runs directly on the e-reader without an app store or account.

Open SourceMITWebCLILinuxSelf-hosted

Visit ma-r-s.com

2stars

8features

2025since

Overview

8 features

In the Other games space, Crossplay takes a focused approach. It focuses on adding games, puzzles, and utility features to an Xteink X4 Pro e-reader without requiring separate apps or configuration. Crossplay is an open-source project aimed at Xteink X4 Pro e-reader owners. The project is open source (MIT). Crossplay is available on the web, the command line, and Linux, and it can be self-hosted.

It is developed by Crossplay contributors, and it first shipped in 2025. The project is developed in the open on GitHub with 1k commits in the last 90 days. Among its 8 catalogued features are chess engine, nearby multiplayer, and daily word puzzles.

Summary written by a language model from the project’s public pages.

Chess engine
Nearby multiplayer
Daily word puzzles
Nonogram puzzles
Flashcards
Comic reader
Saved articles
E-reader firmware

Built with & integrations

Hosting

Vercel

Runs on

BrowserCLILinuxSelf-hosted

Detected from

Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

MIT

Verified signals

HTTPSOpen SourceFree tierGitHub · ★ 2Active maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed7 Aug · 23:05 UTC
Show HN: CrossPlay - Games, puzzles and tools for your e-reader verified against its public source
Source: PulseGate · Open

Frequently asked questions about Crossplay

What is Crossplay?: Crossplay focuses on adding games, puzzles, and utility features to an Xteink X4 Pro e-reader without requiring separate apps or configuration. It is catalogued under Other games on PulseGate.
Who should use Crossplay?: Crossplay is an open-source project built for Xteink X4 Pro e-reader owners.
Is Crossplay free?: Yes — Crossplay is open source under the MIT license and free to use.
What platforms does Crossplay run on?: Crossplay runs on the web, the command line, and Linux. It can also be self-hosted.
Is Crossplay still active?: The GitHub repository shows 1k commits in the last 90 days.
What projects are similar to Crossplay?: Similar projects tracked by PulseGate include osu!Collector, Diamond-Square, and savysoda.osu!Collector Diamond-Square savysoda
Who makes Crossplay?: Crossplay is developed by Crossplay contributors.
When did Crossplay launch?: Crossplay first shipped in 2025.

At a glance

Platforms: Cli · Web
Languages: English
Open source: Yes · ★ 2
License: MIT
First seen: 7 Aug 2026
Built for: Xteink X4 Pro e-reader owners
Model: Open source
Solves: Adding games, puzzles, and utility features to an Xteink X4 Pro e-reader without requiring separate apps or configuration.

Registered as

GitHub: ma-r-s/crossplay

Developer

Crossplay contributors

Community-driven

GitHub

Open source

View on GitHub

Stars: 2
Forks: 0
Open issues: 0
Last commit: 7 Aug 2026
Commits 90d: 1,001
Contributors: 203
Authorship: Community-driven
Default branch: xteink
Latest release: v1.0.0 · 7 Aug 2026

Index record

Identity confidence: Medium · 72.8
Indexed: 7 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 7 Aug 2026

Identity audit (13)

Slug: show-hn-crossplay-games-puzzles-and-tools-for-your-e-reader-ma-r-s-com
Lifecycle state recorded: 7 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 7 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 7 Aug 2026
Canonical URL: https://crossplay.ma-r-s.com/

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Also in Other games

Same category — not a similarity match