Since there will always be something in the launch menu, remove the empty check.

linux-game-manager.sh

@@ -221,10 +221,6 @@ game_installer() {
 # launch games that are installed
 game_launcher() {
     mapfile -t lines < <(sed '/^$/d' "${configFile}" 2> /dev/null)
-    if [[ ${#lines} -eq 0 ]]; then
-        echo "Install some games first."
-        exit 0
-    fi
     # Create the menu of installed games
     declare -a menuList
     for i in "${lines[@]}" ; do