diff --git a/games/pybik/pybik.SlackBuild b/games/pybik/pybik.SlackBuild
index 8f6af0f366..488b8202b8 100644
--- a/games/pybik/pybik.SlackBuild
+++ b/games/pybik/pybik.SlackBuild
@@ -22,6 +22,13 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20220221 bkw: Modified by SlackBuilds.org:
+# - fix download URL
+# - binary in /usr/games
+# - abs paths in .desktop file
+# - use parallel build (unlike most python builds, this really benefits
+#   from parallelism).
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=pybik
@@ -38,9 +45,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -75,20 +79,39 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
 
 # Fix man page path
 sed -i "s/share\/man/man/" setup.py
 
+# 20220221 bkw: 'generating models' takes a long time to run. it can be
+# made to run multiple jobs (like make -jN). For convenience, read
+# MAKEFLAGS from the environment, if set...
+JOBS="$( echo $MAKEFLAGS | sed 's,.*-j *\([0-9][0-9]*\)*.*,\1,' )"
+
+# ...or if no MAKEFLAGS, use number-of-cores minus 1...
+JOBS="${JOBS:-$(( $( nproc ) - 1 ))}"
+
+# ...or 1, if we really only have one core.
+[ "$JOBS" = "0" ] && JOBS=1
+
+# 20220221 bkw: Don't combine build and install in one step, because
+# install doesn't recognize the --parallel option.
+python3 setup.py build --parallel=$JOBS
 python3 setup.py install --root=$PKG
 
+mv $PKG/usr/bin $PKG/usr/games
+
+sed -i -e '/^Exec/s,=,=/usr/games/,' \
+       -e '/^Icon/s,=.*,=/usr/share/pixmaps/pybik.png,' \
+       $PKG/usr/share/applications/*desktop
+
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-find $PKG/usr/man -type f -exec gzip -9 {} \;
-for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+gzip $PKG/usr/man/man*/*
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a README COPYING NEWS $PKG/usr/doc/$PRGNAM-$VERSION
diff --git a/games/pybik/pybik.info b/games/pybik/pybik.info
index 83ebad073b..da667825f8 100644
--- a/games/pybik/pybik.info
+++ b/games/pybik/pybik.info
@@ -1,7 +1,7 @@
 PRGNAM="pybik"
 VERSION="2.1"
 HOMEPAGE="https://launchpad.net/pybik/"
-DOWNLOAD="https://launchpad.net/pybik/trunk/2.1/+download/pybik-2.1.tar.gz"
+DOWNLOAD="https://slackware.uk/~urchlay/src/pybik-2.1.tar.gz"
 MD5SUM="bb551ba5c45ee834988b91ab7ff48d4f"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""