# pixeltris/YgoMaster

Offline Yu-Gi-Oh! Master Duel

Repository: https://github.com/pixeltris/YgoMaster
Canonical: https://ross.abutalabs.com/products/ygomaster
Language: C#
License: MIT
License Family: permissive
Topics: yugioh, masterduel
Last push: 2026-08-07T16:16:55+00:00

## Health v2 (maintenance only)
Score: 97/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 96, release rhythm 96, longevity 100
- inputs: {"age_days": 1676, "days_push": 26, "days_rel": 26, "gap_med": 24.5, "n_releases_24m": 25}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1349, forks 180 (observed 2026-08-28T04:04:28.144572+00:00)

## What it is
An offline version of Yu-Gi-Oh! Master Duel for PC that runs alongside the Steam game, allowing deck building, pack opening, solo content, CPU duels, PvP, and replay viewing without progress syncing to the live game. It is a portable C# application with a custom server that hooks into the game client.

## Use cases
- play Yu-Gi-Oh Master Duel offline without a Steam connection
- build and test decks offline
- open packs without spending gems in the live game
- duel against custom CPU opponents
- play PvP duels with friends locally
- watch and analyze duel replays
- import YDK and YDKe deck lists
- run the game on Linux

## When to choose
- you want to practice or play Master Duel offline
- you want unlimited free packs and cards for experimentation
- you want to test decks against CPU or friends without the live server
- you want to run Master Duel on Linux

## When to avoid
- you want progress to carry over to the official live game
- you want ranked online matchmaking against real players on official servers
- you do not own the Steam version of Master Duel

## Facets
- artifact type: application
- maturity: active
- function: game, gui, cli, networking
- domain: gaming-tools, self-hosted
- platform: windows
- tags: yugioh, master-duel, offline-game, duel-simulator, deck-builder, game-mod, pvp, replays, game-development, linux, desktop

## Member repositories
- pixeltris/YgoMaster (main) score 97

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:28.144572+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:42:22.572630+00:00, confidence not recorded.
  - readme: https://github.com/pixeltris/YgoMaster (fetched 2026-08-28T04:04:28.144572+00:00, sha 9fefc58cecca)
- Data as of 2026-08-30T08:39:29.467469+00:00.