<ItemGroup> <ReferenceInclude="PathsPlusPlus"> <HintPath>$(BloonsTD6)\Mods\PathsPlusPlus.dll</HintPath> </Reference> </ItemGroup> Full .csproj example <ProjectSdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFramework>net6.0</TargetFramework> <RootNamespace>FourthPath</RootNamespace> <Configuratio...