diff --git a/MANIFEST.in b/MANIFEST.in
index 6c48214f..3cc9a0e5 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,6 +10,7 @@ include NEWS.asciidoc
 include pysollib/*.py pysollib/macosx/*.py pysollib/configobj/*.py
 include pysollib/winsystems/*.py
 include pysollib/tk/*.py pysollib/tile/*.py pysollib/pysolgtk/*.py
+include pysollib/game/*.py
 include pysollib/games/*.py pysollib/games/special/*.py
 include pysollib/games/ultra/*.py pysollib/games/mahjongg/*.py
 include data/tcl/*.tcl