diff --git a/FunGame.csproj b/FunGame.Core.csproj
similarity index 85%
rename from FunGame.csproj
rename to FunGame.Core.csproj
index f12c28b..3a2d231 100644
--- a/FunGame.csproj
+++ b/FunGame.Core.csproj
@@ -11,9 +11,9 @@
     <FileVersion>1.0</FileVersion>
     <PackageOutputPath>..\bin</PackageOutputPath>
     <Title>Core</Title>
-    <RootNamespace>Milimoe.FunGame.$(MSBuildProjectName.Replace(" ", "_"))</RootNamespace>
+    <RootNamespace>Milimoe.$(MSBuildProjectName.Replace(" ", "_"))</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <AssemblyName>FunGame.$(MSBuildProjectName)</AssemblyName>
+    <AssemblyName>$(MSBuildProjectName)</AssemblyName>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
diff --git a/FunGame.sln b/FunGame.Core.sln
similarity index 68%
rename from FunGame.sln
rename to FunGame.Core.sln
index 6ecf086..d72196f 100644
--- a/FunGame.sln
+++ b/FunGame.Core.sln
@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32804.467
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FunGame", "FunGame.csproj", "{842BB22E-4309-4ADD-93CD-A981CE10C30E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FunGame.Core", "FunGame.Core.csproj", "{842BB22E-4309-4ADD-93CD-A981CE10C30E}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -10,10 +10,6 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{CC6C83C6-5818-4565-8873-67587FED1D0A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{CC6C83C6-5818-4565-8873-67587FED1D0A}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{CC6C83C6-5818-4565-8873-67587FED1D0A}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{CC6C83C6-5818-4565-8873-67587FED1D0A}.Release|Any CPU.Build.0 = Release|Any CPU
 		{842BB22E-4309-4ADD-93CD-A981CE10C30E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{842BB22E-4309-4ADD-93CD-A981CE10C30E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{842BB22E-4309-4ADD-93CD-A981CE10C30E}.Release|Any CPU.ActiveCfg = Release|Any CPU