diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c795b05
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0099a8d..488a94d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,14 @@
 cmake_minimum_required(VERSION 3.5)
 
+project(KIMA2)
+
 if(MSVC)
   add_compile_options(/W4 /WX)
 else()
   add_compile_options(-W -Wall -Werror)
 endif()
+
+set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
+set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
+
+add_subdirectory(src)
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..1ea1c18
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory("core")
\ No newline at end of file
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
new file mode 100644
index 0000000..57a7a7a
--- /dev/null
+++ b/src/core/CMakeLists.txt
@@ -0,0 +1,9 @@
+
+set(CORE_HEADERS
+    entity.h
+)
+set(CORE_SOURCES
+    entity.cpp
+)
+
+add_library(core STATIC ${CORE_SOURCES})
\ No newline at end of file
diff --git a/src/core/entity.cpp b/src/core/entity.cpp
new file mode 100644
index 0000000..cb9925d
--- /dev/null
+++ b/src/core/entity.cpp
@@ -0,0 +1,6 @@
+#include "entity.h"
+
+Entity::Entity()
+{
+
+}
\ No newline at end of file
diff --git a/src/core/entity.h b/src/core/entity.h
new file mode 100644
index 0000000..ab68b40
--- /dev/null
+++ b/src/core/entity.h
@@ -0,0 +1,13 @@
+#ifndef ENTITY_H
+#define ENTITY_H
+
+class Entity
+{
+public:
+    Entity();
+    ~Entity();
+private:
+    int uuid{-1};
+};
+
+#endif //ENTITY_H
\ No newline at end of file