| Unit | Tons | BV | Move | Armor | Role | Year |
|---|
| Board | Size | Map set |
|---|
Battle logs: every battle can be played again, log and all, from its seed, so none are stored. Choose one on the Results page to watch it.
No option matches that search.
Combat Lab, part of the BattleTech Monte Carlo simulator. Copyright © 2026 Daniel (Logajam).
By Daniel (design, direction, rules calls) and Claude, an AI model made by Anthropic (implementation).
Status: alpha. This is an early, unfinished version. Rules are still being checked against the book, some rules and options are not built, and there are bugs. Treat its numbers as work in progress, and please report what you find (Suggestion / bug report, bottom right).
Free software under the GNU General Public License v3 or later: anyone may use, study, change and share it, and what is shared that is built on it stays under the same licence. No warranty. See LICENSE and CREDITS.md in the Combat Lab folder.
With thanks to the MegaMek Team (megamek.org). The units and boards are MegaMek Data, © 2025 The MegaMek Team, under CC BY-NC-SA 4.0 (non-commercial). The "princess" bot is a translation of MegaMek's Princess (GPL v3).
An unofficial fan project, not affiliated with, endorsed by, or licensed by Microsoft Corporation, The Topps Company, Inc., or Catalyst Game Labs. MechWarrior, BattleMech, 'Mech and AeroTech are registered trademarks of The Topps Company, Inc. Catalyst Game Labs and its logo are trademarks of InMediaRes Productions, LLC. The BattleTech name for electronic games is a trademark of Microsoft Corporation.
Built with open-source Rust libraries: their licences are in THIRD_PARTY_LICENSES.txt.
Reports and suggestions go to the project's issue page on GitHub (a free GitHub account is needed). The form opens with the batch's setup and seeds already filled in, so the battles can be played again exactly.
.txt, which GitHub accepts) and press Submit.Report a bug Make a suggestion
Nothing is sent until you press Submit on GitHub, and you can edit everything first.