diff --git a/base/src/main/java/de/staropensource/engine/base/implementation/package-info.java b/base/src/main/java/de/staropensource/engine/base/implementation/package-info.java
new file mode 100644
index 0000000..18f93f4
--- /dev/null
+++ b/base/src/main/java/de/staropensource/engine/base/implementation/package-info.java
@@ -0,0 +1,25 @@
+/*
+ * STAROPENSOURCE ENGINE SOURCE FILE
+ * Copyright (c) 2024 The StarOpenSource Engine Authors
+ * Licensed under the GNU Affero General Public License v3
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Implementations for various interfaces and abstract classes.
+ *
+ * @since v1-alpha6
+ */
+package de.staropensource.engine.base.implementation;