diff --git a/src/gs-entbase/server/func_group.cpp b/src/gs-entbase/server/func_group.cpp
new file mode 100644
index 00000000..92300e83
--- /dev/null
+++ b/src/gs-entbase/server/func_group.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*QUAKED func_group (0 .5 .8) ?
+"_rs"      Specifies if the geometry will recieve shadows (RAD lighting).
+"_cs"      Specifies if the geometry will cast shadows (RAD lighting).
+
+A "fake" entity for level editors, used to group together patches and
+brushes for easy moving. All geometry in the group will become
+worldspawn upon compile.
+
+Trivia:
+This entity was introduced in Quake III Arena (1999).
+*/