Even better, enable the subtitles only when the language is not English:
--- a/usr/games/sky 2015-08-01 17:33:43.000000000 +0200
+++ b/usr/games/sky 2017-07-12 22:43:32.189244804 +0200
@@ -39,7 +39,7 @@
)
if ! [ x"$ENVLANG" = x"en" ]; then
- GAMELANG="-q $ENVLANG"
+ GAMELANG="-n -q $ENVLANG"
fi
if [ "$#" -gt "1" ]; then
