Mount & Blade II: Bannerlord

Mount & Blade II: Bannerlord (PC, 2022) has code that decompiles almost back to source, BUTR/Bannerlord.Harmony, and 1 other public project.

Data checked 2026-10-12 · unbaked registry

Projects

Bannerlord modding (C# .NET assemblies; BUTR tooling; dedicated serve…

Readable bytecodeC# .NET Framework/.NET 6 game logic over native engine; Harmony; Refe…53 starspushed 2026-07-21MIT licenserelease v2.4.2.248

Module that includes the latest version of Harmony.

GitHub

CustomSpawns (Bannerlord troop-spawning API mod)

Readable bytecodeC# mod16 starspushed 2022-09-25GPL-3.0 license

A M&B:Bannerlord mod/API to allow for spawning troops and stacks independent of the games' main spawning schedules with custom AI and UX features added in.

GitHub

What you need

You need your own copy of the game: these projects ship code only.

More on PC

GameMethodYearStarsLast push

PCMindustrySource releaseAgent environment201929k2026-10-11 PCosu!Source releaseReadable bytecode+1200719k2026-10-12 PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16 PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12 PCDune 2000Reimplementation199818k2026-10-11 PCAge of Empires IIReimplementation199914k2026-10-03 PCCataclysm: Dark Days AheadSource release201313k2026-10-12 PCCivilization VSource releaseReimplementation201011k2026-10-12

Found via BUTR/Bannerlord.ButterLib, BUTR/Bannerlord.ReferenceAssemblies, BUTR/Bannerlord.BLSE

GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.