StarRailExpress - Wathe

StarRail Express - Harpy Train Enhanced Mod (Wathe Addon)

🚂 Introduction

StarRail Express (Harpy Train) is a Minecraft 1.21.1 Fabric-based multiplayer social deduction game mod. It deeply reimagines the classic "Train Murder Mystery"(Wathe) gameplay, integrating the best elements from numerous renowned character mods while introducing a wealth of original content. This mod is completely open-source and free, licensed under GPL-3.0-only, dedicated to delivering the smoothest, most feature-rich, and visually striking train game experience.

This Addon includes Harpymodloader, StupidExpress, Noellesroles, Harpy Simple Roles and part of KinsWathe.If you install StarRailExpress and the above mods together, it will conflict with these mods. Please don't feed back the bug of StarRailExpress to the above mods.

✨ Core Features

🎭 Massive Character System (100+ Characters)

We've integrated and created over 100 unique characters spanning four factions, ensuring every game is full of surprises:

- Map characteristic occupation: ~40+ characters. Includes Doctor, Detective, Athlete, Superstar, Psychologist, etc. Win by completing tasks or assisting the Vigilante. - Map characteristic occupation: ~25+ characters. Includes Ninja, Enforcer, Demolitionist, Morphling, Puppeteer, etc. Goal is to eliminate all non-killer players. - Map characteristic occupation: ~30+ characters. Includes Gambler, Thief, Ghoul, Nian, Monokuma, etc. Each has unique personal victory conditions. - Map characteristic occupation: ~10+ characters. Includes Patroller, Advanced Vigilante, Baseballer, etc. Possess the ability to eliminate killers. - Map characteristic occupation: Such as "The Fool" (Tarot Club mechanics), "Shadow Falcon" (stealth assassination), "Pilot" (air support), and more. - Map characteristic occupation: Similar to Goose Goose Duck，we have made some roles that will only appear on specific maps. You can configure which maps roles appear in the configuration. For example, maps of underwater areas, large-scale maps, pursuit-style maps, and maps with flying spaces.

🧩 Rich Modifier System (20+ Modifiers)

Adds randomness and fun to each game:

- Special Types: Vigorous, Unyielding, Jeb_. - Special Types: Rich (starts with extra money), Taxpayer. - Special Types: Split personality (Two players manipulate a body), Knight, Black & White, Refugee, Expedition. Tip: You need to manually adjust the spawn probability of Split personality in the configuration.

🎊 More game modes (20+ Game modes)

We also added extra 3 main modes and many entertainment modes.

Three main modes - Repair Escape: You can choose the desired roles at the beginning. - Repair Escape: Killer vs Super Loose End. - Repair Escape: The escapee needs to fix the codebreaker to get out alive.

Entertainment modes - More other interesting modes: 4-8 players card battle mode. - More other interesting modes: Classic roulette plus prop match. - More other interesting modes: The hider hides until the end and is not found by the pursuers. - More other interesting modes: use the advantages of roles to pass the bomb to others and survive to the end. - More other interesting modes: For example, all players are a certain role or have a certain modifier, sniper shooting mode and so on.

🗺️ Rapid Map Editing/Selecting & Voting System

- Map interactive block: Supports JSON format for quick definition of spawn points, waiting areas, game zones, room locations, and background scroll direction. - Map interactive block: Built-in `/tmm:votemap` command with support for pausing, resuming, and terminating votes, allowing players to collectively decide the next map. - Map interactive block: Greatly reduces server lag and network packet pressure during map resets, enabling seamless round transitions. - Map interactive block: The mod comes with multiple carefully designed train and scenario maps, plus support for community-created custom map imports. - Map interactive block: We provide a map building tool, which you can find it in the "OP" creative tab. - Map interactive block: We provide a map interactive block for any scene-Entity Interection Block.You can make any map interactive content through this block, just take it from the creative administrator tab.

💻 Revamped UI & Interaction Experience

- Operation Prompts: Completely rewritten in-game HUD, character selection screen, shop interface, and results panel. Modern design style with vivid colors and clear information hierarchy. - Operation Prompts: Real-time display of sprint stamina, adding strategic depth to chases and escapes. - Operation Prompts: Smart task navigation system providing clear directional cues and distance prompts on screen – no more getting lost! - Operation Prompts: User-friendly hints displayed in the top-right corner.

🛠️ Powerful Game Functions & Commands

- Replay System: - `/tmm:money` - Admin money management. - `/tmm:switchmap` - Quick map loading, saving, scanning, and random switching. - `/tmm:game` - Game flow control (start, end, force victory). - `/tmm:showStats` - View detailed personal and server-wide statistics. - Replay System: - Replay System: Traditional Killer vs Civilian/Vigilante gameplay. - Replay System: Gamblers must survive through high-stakes bets within a time limit; timeout means elimination. - Replay System: Tense "hot potato" style bomb passing – the last holder is eliminated. - Replay System: Deep gameplay blending day/night cycles, survival elements, and faction-based combat. - Replay System: Includes Hide & Seek, Sniper Duel, Demon Roulette, and 15+ other unique modes. - Replay System: Records key game events, supports post-match replay of exciting moments.

⚡ Performance & Network Optimization

- Data Component Optimization: Through informal yet effective testing, this mod significantly reduces packet transmission compared to original Wathe/TMM, greatly lowering server bandwidth pressure. - Data Component Optimization: Extensive optimizations to original content can improve FPS by 2-6 times. - Data Component Optimization: Optimized CCA (Cardinal Components API) data synchronization logic, reducing unnecessary network transmission.

⚠️ Important Notes

Compatibility

- Recommended Mods: This mod blocks the original Wathe runtime. Recommended Mods install other Wathe addons such as Harpymodloader, StupidExpress, Noellesroles simultaneously. - Recommended Mods: Only used for base decorative block resources; this mod does not use any of its logic. - Recommended Mods: CustomSkinLoader (may cause skin loading issues). - Recommended Mods: Sodium, Iris, ModMenu, Simple Voice Chat, Cloth Config API.

Technical Features

- Rewritten using Mojang Mappings for cleaner code. - Namespace maintained as `trainmurdermystery` and `starrailexpress` for existing map compatibility. - Completely independent runtime logic for higher stability.

🎯 Target Scenarios

- Large-scale multiplayer social deduction servers - Party minigames among friends - Roleplaying (RP) maps - Custom PVP/PVE hybrid gameplay

💻 Development Information

- Open Source License: Open Source License - Open Source License: %%MD1%% — Covers character registration, event system, skill system, HUD rendering, and more. - Open Source License: %%MD2%% — Quick start guide for writing your own extension mods. - Open Source License: GNU General Public License v3.0 only (GPL-3.0-only)

---

Note: When developing extensions, do NOT reference Wathe library files – this will cause crashes!

Join the Community: Welcome to join our QQ Group or Discord to get the latest maps, report bugs, or discuss gameplay strategies.