Welcome to TRS:80, a complete digital console for managing your BattleTech forces.
Designed as a reference, builder, and catalog, it brings the entire scope of ’Mech warfare to your fingertips.
TRS:80 now connects directly with BattleTech // Mobile Skirmish.
- Export from TRS:80 Lance Builder → produces a
"Lance Name".jsonfile - Import into Mobile Skirmish → instantly places those ’Mechs on the tactical map
- Pilot info, call signs, and skills carry over
- Team colors sync (Alpha, Bravo, Clan, Merc)
👉 Your force construction (TRS:80) and gameplay skirmishes (Mobile Skirmish) are now seamlessly linked. Build once, play anywhere.
- 400+ chassis and 2,500+ variants in the manifest
- Full TRO data:
- Weapons, loadouts, and armaments
- Armor & internals by location
- Equipment, structure, gyro, cockpit, myomer
- Tonnage & movement profiles
- Battle Value (BV)
- Role & sourcebook refs
- Variants grouped under parent chassis for clarity
- Overview tab – heat scale, pilot skill, core stats
- Tech Readout tab – chassis/systems, armor/internals, equipment, and lore
- Weapons tab – complete list of mounted weapons
- G.A.T.O.R. console – integrated target number calculator
- Gunnery, attacker, target, terrain, heat, range
- Dice roller with live TN display
- Build lances or stars directly from the manifest
- Tracks total BV, tonnage, mobility, roles
- Swap mechs in/out quickly
- Export/import lance builds for easy sharing and reloading
- Exports are Skirmish-compatible for instant crossover
- Track which chassis you physically own in miniature form
- Checkbox per chassis (not variant-specific)
- Toggle “Filter by Owned” to view only your collection
- Combine with BV, role, and tech filters to plan games around owned forces
- Export/import your collection across devices
- Every section is portable:
- Owned catalogue
- Lance builds
- Session state
- Export to JSON, import later, continue instantly
- Lance exports can be dropped into Mobile Skirmish as
mechs.json
TRS:80 isn’t just a reference—it’s a command console for the Inner Sphere.
From recon lances of Locusts to walls of Atlas heavies, TRS:80 keeps your forces organized, balanced, and battle-ready.
Save time, reduce book-flipping, and put the entire universe of ’Mechs at your command.
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Play instantly in your browser
👉 Launch TRS:80 -
Offline use
- Download or clone this repo
- Open
index.htmlin any modern browser - Done — no installs, no build tools
Runs anywhere HTML does: Windows, macOS, Linux, tablets, even a USB stick.
- Pick a chassis – e.g. search “Archer” to see all variants
- Filter the field – by BV, role, weight class, rules level, or era
- Compare loadouts – movement, armor, and weapon mixes side by side
- Prep games – build balanced lances, export, and share
- In-game assist – G.A.T.O.R. console handles TN math and rolls
- Lore ready – Tech Readout panels give quick fluff & history
- BV first – ensures fair matchups
- Role + Tonnage – classic lance comp (Scout, Skirmisher, Missile Boat, Brawler)
- Era / Tech Base – campaign or TRO-specific forces
- Pure HTML / CSS / JavaScript
- Data: MegaMek JSON (CC BY-NC-SA 4.0)
- Lightweight, offline-capable, no dependencies
- BattleTech // Mobile Skirmish
A browser-based hex-map skirmish app for quick pickup games.
- Mech data © MegaMek Data, licensed under CC BY-NC-SA 4.0
- BattleTech, BattleMech, ’Mech, AeroTech are trademarks of their respective owners
- Non-commercial fan project — not affiliated with or endorsed by Topps, Catalyst Game Labs, or Microsoft