diff --git a/linux-game-manager.sh b/linux-game-manager.sh
index 7cc1a6a..d449b2f 100755
--- a/linux-game-manager.sh
+++ b/linux-game-manager.sh
@@ -517,6 +517,10 @@ case "${game}" in
                 --yesno "Do you want Linux Game Manager to install freedoom and gzdoom for you? If you want to do this manually, select no." -1 -1 --stdout || exit 0
             if command -v yay &> /dev/null ; then
                 yay -Sy --noconfirm --sudoloop freedoom gzdoom
+            elif command -v slapt-get &> /dev/null ; then
+                su
+                slapt-get -i freedoom gzdoom
+                exit
             else
                 dialog --backtitle "Linux Game Manager" --msgbox "No supported package managers found. Please install the freedoom and gzdoom packages manually." -1 -1
                 exit 0