diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/game/DefaultGameEngineProvider.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/game/DefaultGameEngineProvider.kt
index 2793daec..85675c82 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/game/DefaultGameEngineProvider.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/game/DefaultGameEngineProvider.kt
@@ -6,9 +6,9 @@ import java.io.File
 @Component
 class DefaultGameEngineProvider : GameEngineProvider {
 
-   override fun provideBaseGameEngine(target: File) {
+   override fun provideBaseGameEngine(targetJar: File) {
       javaClass.getResourceAsStream("/engine/game.jar").use { ris ->
-         target.outputStream().use { fos ->
+         targetJar.outputStream().use { fos ->
             ris.copyTo(fos)
          }
       }
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/JarPackager.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/JarPackager.kt
index d199716c..7db61640 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/JarPackager.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/JarPackager.kt
@@ -4,4 +4,5 @@ import java.io.File
 
 interface JarPackager {
    fun pack(sourceDirectory: File, targetJar: File, root: String = ".")
+   fun copy(file: File, targetJar: File, root: String = ".")
 }
\ No newline at end of file
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/ZipBasedJarPackager.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/ZipBasedJarPackager.kt
index 4ffc59fe..b991f768 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/ZipBasedJarPackager.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/packager/ZipBasedJarPackager.kt
@@ -20,11 +20,22 @@ class ZipBasedJarPackager : JarPackager {
       FileSystems.newFileSystem(uri, env).use { jar ->
          Files.walk(source)
             .filter(Files::isRegularFile)
-            .forEach {
-               val path = jar.getPath(Paths.get(root, source.relativize(it).toString()).normalize().toString())
-               Files.createDirectories(path.parent)
-               Files.copy(it, path, StandardCopyOption.REPLACE_EXISTING)
+            .forEach { file ->
+               val path = jar.getPath(Paths.get(root, source.relativize(file).toString()).normalize().toString())
+               path.parent?.let { Files.createDirectories(it) }
+               Files.copy(file, path, StandardCopyOption.REPLACE_EXISTING)
             }
       }
    }
+
+   override fun copy(file: File, targetJar: File, root: String) {
+      val env = mapOf("create" to "true")
+      val zip = targetJar.toPath()
+      val uri = URI.create("jar:" + zip.toUri())
+
+      FileSystems.newFileSystem(uri, env).use { jar ->
+         val path = jar.getPath(Paths.get(root, file.name).normalize().toString())
+         file.inputStream().use { fis -> Files.copy(fis, path) }
+      }
+   }
 }
\ No newline at end of file
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/pipeline/DefaultBuildPipelineService.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/pipeline/DefaultBuildPipelineService.kt
index 4ea4e583..5d2b4def 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/pipeline/DefaultBuildPipelineService.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/pipeline/DefaultBuildPipelineService.kt
@@ -3,6 +3,7 @@ package com.bartlomiejpluta.base.editor.code.build.pipeline
 import com.bartlomiejpluta.base.editor.code.build.compiler.ScriptCompiler
 import com.bartlomiejpluta.base.editor.code.build.game.GameEngineProvider
 import com.bartlomiejpluta.base.editor.code.build.packager.JarPackager
+import com.bartlomiejpluta.base.editor.code.build.project.ProjectAssembler
 import com.bartlomiejpluta.base.editor.project.context.ProjectContext
 import com.bartlomiejpluta.base.editor.project.model.Project
 import org.springframework.beans.factory.annotation.Autowired
@@ -21,6 +22,9 @@ class DefaultBuildPipelineService : BuildPipelineService {
    @Autowired
    private lateinit var engineProvider: GameEngineProvider
 
+   @Autowired
+   private lateinit var projectAssembler: ProjectAssembler
+
    @Autowired
    private lateinit var projectContext: ProjectContext
 
@@ -33,6 +37,7 @@ class DefaultBuildPipelineService : BuildPipelineService {
          compiler.compile(it.codeFSNode, it.buildClassesDirectory)
          engineProvider.provideBaseGameEngine(outputFile)
          packager.pack(it.buildClassesDirectory, outputFile, "BOOT-INF/classes")
+         projectAssembler.assembly(it, outputFile)
       }
    }
 
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/DefaultProjectAssembler.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/DefaultProjectAssembler.kt
new file mode 100644
index 00000000..1f722c07
--- /dev/null
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/DefaultProjectAssembler.kt
@@ -0,0 +1,21 @@
+package com.bartlomiejpluta.base.editor.code.build.project
+
+import com.bartlomiejpluta.base.editor.code.build.packager.JarPackager
+import com.bartlomiejpluta.base.editor.project.model.Project
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.stereotype.Component
+import java.io.File
+
+@Component
+class DefaultProjectAssembler : ProjectAssembler {
+
+   @Autowired
+   private lateinit var packager: JarPackager
+
+   override fun assembly(project: Project, targetJar: File) {
+      packager.pack(project.mapsDirectory, targetJar, "BOOT-INF/classes/project/maps")
+      packager.pack(project.tileSetsDirectory, targetJar, "BOOT-INF/classes/project/tilesets")
+      packager.pack(project.imagesDirectory, targetJar, "BOOT-INF/classes/project/images")
+      packager.copy(project.projectFile, targetJar, "BOOT-INF/classes/project")
+   }
+}
\ No newline at end of file
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/ProjectAssembler.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/ProjectAssembler.kt
new file mode 100644
index 00000000..83e535b9
--- /dev/null
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/build/project/ProjectAssembler.kt
@@ -0,0 +1,8 @@
+package com.bartlomiejpluta.base.editor.code.build.project
+
+import com.bartlomiejpluta.base.editor.project.model.Project
+import java.io.File
+
+interface ProjectAssembler {
+   fun assembly(project: Project, targetJar: File)
+}
\ No newline at end of file
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt
index 59815a17..5d086770 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt
@@ -59,7 +59,7 @@ class DefaultProjectContext : ProjectContext {
       project?.let {
          it.sourceDirectory.mkdirs()
 
-         FileOutputStream(File(it.sourceDirectory, "project.bep")).use { fos ->
+         FileOutputStream(it.projectFile).use { fos ->
             projectSerializer.serialize(it, fos)
          }
       }
diff --git a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt
index 4f8d9d74..41417b21 100644
--- a/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt
+++ b/editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt
@@ -4,7 +4,7 @@ import com.bartlomiejpluta.base.editor.code.model.FileSystemNode
 import com.bartlomiejpluta.base.editor.image.asset.ImageAsset
 import com.bartlomiejpluta.base.editor.map.asset.GameMapAsset
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAsset
-import javafx.beans.binding.Bindings
+import javafx.beans.binding.Bindings.createObjectBinding
 import javafx.beans.property.SimpleObjectProperty
 import javafx.beans.property.SimpleStringProperty
 import tornadofx.getValue
@@ -19,6 +19,9 @@ class Project {
    val sourceDirectoryProperty = SimpleObjectProperty<File>()
    val sourceDirectory by sourceDirectoryProperty
 
+   val projectFileProperty = createObjectBinding({ File(sourceDirectory, PROJECT_FILE) }, sourceDirectoryProperty)
+   val projectFile by projectFileProperty
+
    val maps = observableListOf<GameMapAsset>()
    val tileSets = observableListOf<TileSetAsset>()
    val images = observableListOf<ImageAsset>()
@@ -40,7 +43,7 @@ class Project {
    val codeDirectoryProperty = SimpleObjectProperty<File>()
    var codeDirectory by codeDirectoryProperty
       private set
-   val codeFSNodeProperty = Bindings.createObjectBinding({ FileSystemNode(codeDirectory) }, codeDirectoryProperty)
+   val codeFSNodeProperty = createObjectBinding({ FileSystemNode(codeDirectory) }, codeDirectoryProperty)
    val codeFSNode by codeFSNodeProperty
 
    // Build directories
@@ -79,6 +82,7 @@ class Project {
    }
 
    companion object {
+      const val PROJECT_FILE = "project.bep"
       const val MAPS_DIR = "maps"
       const val TILESETS_DIR = "tilesets"
       const val IMAGES_DIR = "images"