diff --git a/games/doomretro/doomretro.SlackBuild b/games/doomretro/doomretro.SlackBuild
index fa832a3ce2..8b8e2ceb57 100644
--- a/games/doomretro/doomretro.SlackBuild
+++ b/games/doomretro/doomretro.SlackBuild
@@ -23,6 +23,9 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20211006 bkw:
+# - update for v4.2.3.
+# - get rid of wrapper script; game now picks an IWAD itself.
 # 20210224 bkw: update for v4.0.3
 # 20200927 bkw: update for v3.6.1, reformat README to 72 chars
 # 20200804 bkw: update for v3.5.10
@@ -32,19 +35,10 @@
 # - move binary to /usr/games
 # - include wrapper script
 
-# *** RANT MODE ON***
-# Every Doom engine on the planet besides this one attempts to load *some*
-# IWAD file, if you don't give it one on the command line. But this one is
-# supposed to pop up a file dialog to let you choose one. Only the dialog
-# code hasn't been ported to Linux. So for us, unlike *all other* Doom
-# source ports, we *must* specify the IWAD file on the command line.  So I
-# have to use a wrapper script to make it act like a normal Doom engine...
-# *** RANT MODE OFF***
-
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=doomretro
-VERSION=${VERSION:-4.0.3}
+VERSION=${VERSION:-4.2.3}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
@@ -57,9 +51,6 @@ if [ -z "$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.$PKGTYPE"
   exit 0
@@ -113,10 +104,7 @@ cd build
   make install/strip DESTDIR=$PKG
 cd ..
 
-mkdir -p $PKG/usr/games
-mv $PKG/usr/bin/$PRGNAM $PKG/usr/games/$PRGNAM.bin
-rm -rf $PKG/usr/bin
-install -m0755 -oroot -groot $CWD/$PRGNAM.sh $PKG/usr/games/$PRGNAM
+mv $PKG/usr/bin $PKG/usr/games
 
 mkdir -p $PKG/usr/share/applications
 cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop
@@ -126,6 +114,8 @@ convert res/$PRGNAM.ico[0] $PKG/usr/share/icons/hicolor/256x256/apps/$PRGNAM.png
 convert res/$PRGNAM.ico[1] $PKG/usr/share/icons/hicolor/48x48/apps/$PRGNAM.png
 convert res/$PRGNAM.ico[2] $PKG/usr/share/icons/hicolor/32x32/apps/$PRGNAM.png
 convert res/$PRGNAM.ico[3] $PKG/usr/share/icons/hicolor/24x24/apps/$PRGNAM.png
+mkdir -p $PKG/usr/share/pixmaps
+ln -s ../icons/hicolor/48x48/apps/$PRGNAM.png $PKG/usr/share/pixmaps
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
 cp -a CODEOWNERS LICENSE *.md $PKG/usr/doc/$PRGNAM-$VERSION
diff --git a/games/doomretro/doomretro.info b/games/doomretro/doomretro.info
index 3795f10a74..e822117936 100644
--- a/games/doomretro/doomretro.info
+++ b/games/doomretro/doomretro.info
@@ -1,8 +1,8 @@
 PRGNAM="doomretro"
-VERSION="4.0.3"
+VERSION="4.2.3"
 HOMEPAGE="https://www.doomretro.com"
-DOWNLOAD="https://github.com/bradharding/doomretro/archive/v4.0.3/doomretro-4.0.3.tar.gz"
-MD5SUM="5277a9aa632f31d68729f5fa5ce9318f"
+DOWNLOAD="https://github.com/bradharding/doomretro/archive/v4.2.3/doomretro-4.2.3.tar.gz"
+MD5SUM="809a9f73b7892dca8e4103867fe85c93"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
diff --git a/games/doomretro/doomretro.sh b/games/doomretro/doomretro.sh
deleted file mode 100644
index 71b6a0b4f8..0000000000
--- a/games/doomretro/doomretro.sh
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/bin/sh
-
-# doomretro.sh by B. Watson. Part of the SlackBuilds.org doomretro build.
-# Licensed under the WTFPL.
-
-# 20200414 bkw: doomretro on Linux doesn't open any IWAD file by default,
-# and doesn't offer a file-chooser dialog. So this wrapper script tries
-# to pick a suitable IWAD to use, if it can find one. Notice that this
-# only happens if we're run with no arguments.
-
-# Can't use an absolute path for this, or else the engine expects to
-# read doomretro.wad and write doomretro.cfg to the same directory as
-# the binary.
-realbin=doomretro.bin
-
-if [ "$1" ]; then
-  # we got arguments, just use them as-is
-  exec $realbin "$@"
-fi
-
-# no args, so try to find an IWAD and pass it as an arg to the real exe.
-wadpath="$DOOMWADDIR:\
-$DOOMWADPATH:\
-.:\
-/usr/share/games/doom:\
-/usr/local/share/games/doom:\
-/usr/share/doomretro:\
-/usr/share/doom:\
-/usr/local/doom:\
-$HOME:\
-$HOME/doom:\
-$HOME/.doom:\
-$HOME/.doomwads"
-
-iwads="doom2.wad:doom.wad:doom1.wad"
-
-IFS=:
-for dir in $wadpath; do
-  if [ -d "$dir" ]; then
-    for wad in $iwads; do
-      wad="$dir/$wad"
-      if [ -e "$wad" ]; then
-        echo "$( basename $0 ): Using $wad" 1>&2
-        exec $realbin "$wad"
-      fi
-    done
-  fi
-done
-
-# if we get, no wads found, let the real binary complain about it
-exec $realbin