What is this?
Stronghold Protocol: Covenant is an unofficial, non-commercial fan remake of a seasonal Arknights auto-chess tower-defense mode, playable in the browser solo or with 1-4 players in co-op.
Stronghold Protocol: Covenant is an unofficial, non-commercial fan remake of a seasonal Arknights auto-chess tower-defense mode, playable in the browser solo or with 1-4 players in co-op.Is this a standalone game client, or do I need to install it into something else?It is a self-hosted web game: a small Node.js server handles the lobby and economy, while combat itself is simulated inside each player's browser just like the official mode, so a low-power machine is enough to host it.
It is a self-hosted web game: a small Node.js server handles the lobby and economy, while combat itself is simulated inside each player's browser just like the official mode, so a low-power machine is enough to host it.How do I get it running?Easiest way is the all-in-one bundle from Releases: install Node.js 22 or 24, then run scripts/start-windows.bat on Windows or ./scripts/start.sh on macOS/Linux. From source it is npm install && npm run setup && npm start, where setup downloads about 250MB of art from public mirrors.
Easiest way is the all-in-one bundle from Releases: install Node.js 22 or 24, then run scripts/start-windows.bat on Windows or ./scripts/start.sh on macOS/Linux. From source it is npm install && npm run setup && npm start, where setup downloads about 250MB of art from public mirrors.What do I need installed to host a game?Just Node.js 22 or 24 (LTS) and about 400-500MB of disk space for the bundle (code, dependencies and all art/audio). Players connecting to it only need a modern WebGL-capable browser.
Just Node.js 22 or 24 (LTS) and about 400-500MB of disk space for the bundle (code, dependencies and all art/audio). Players connecting to it only need a modern WebGL-capable browser.Can I distribute this or run a paid server with it?No. The project's own code is GPL-3.0, but the bundled Arknights art, music, sound, text and data stay the property of the original rights holders and are not covered by that license, so it is study/personal use only with selling, paid servers, ads or donations explicitly banned.
No. The project's own code is GPL-3.0, but the bundled Arknights art, music, sound, text and data stay the property of the original rights holders and are not covered by that license, so it is study/personal use only with selling, paid servers, ads or donations explicitly banned.Does the hosting machine need to be Windows, or does Linux/macOS work too?Any of the three: the server runs on Windows, macOS or Linux with Node.js, and players just need a modern WebGL browser (Chrome, Edge, Firefox or Safari) on desktop, phone or tablet in landscape.
Any of the three: the server runs on Windows, macOS or Linux with Node.js, and players just need a modern WebGL browser (Chrome, Edge, Firefox or Safari) on desktop, phone or tablet in landscape.How does the co-op multiplayer actually work?Up to 4 players share one 'alliance' room and the same card pool with no PvP; empty seats can be filled by AI, and if someone lets an enemy through while a teammate had a perfect round, that teammate's squad helps intercept the leak.
Up to 4 players share one 'alliance' room and the same card pool with no PvP; empty seats can be filled by AI, and if someone lets an enemy through while a teammate had a perfect round, that teammate's squad helps intercept the leak.How many operators and skills are actually implemented?112 recruitable operators (plus their elite promotions) are included, with all 283 skills hand-implemented and their talents, traits and numbers cross-checked against official data tables and the PRTS wiki.
112 recruitable operators (plus their elite promotions) are included, with all 283 skills hand-implemented and their talents, traits and numbers cross-checked against official data tables and the PRTS wiki.What happens if I disconnect mid-match?In co-op you can reclaim your seat within 10 minutes (your squad auto-fights or you can mark yourself away for AI control), while solo runs stay resumable for 24 hours from the same browser.
In co-op you can reclaim your seat within 10 minutes (your squad auto-fights or you can mark yourself away for AI control), while solo runs stay resumable for 24 hours from the same browser.Do I need the official 3D board to play?No. The 3D board requires extracting textures from a local Arknights client install; without it the game automatically falls back to a 2D board with no loss of gameplay features.
No. The 3D board requires extracting textures from a local Arknights client install; without it the game automatically falls back to a 2D board with no loss of gameplay features.What are similar projects?scam-with-your-friends-web, Jelly-Baby, server-survival, GDevelop, ra2, paper-aquarium, RhineLabUI, daedalOS
scam-with-your-friends-web, Jelly-Baby, server-survival, GDevelop, ra2, paper-aquarium, RhineLabUI, daedalOS