MonoGame.Samples/Collisions/Core/CollisionSample.Core.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net8.0</TargetFramework>
    <AssemblyName>CollisionSample.Core</AssemblyName>
    <RootNamespace>CollisionSample.Core</RootNamespace>
    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>  
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.*" PrivateAssets="all"/>
  </ItemGroup>

</Project>