Combined some of the web based games into a single check because they give the same error.

linux-game-manager.sh

@@ -361,7 +361,7 @@ done
 installPath="${HOME}/.local/games"
 mkdir -p "${installPath}"
 case "${game}" in
-    "Aliens")
+    "Aliens"|"QuentinC Play Room"|"Trigaea")
         dialog --backtitle "Linux Game manager" \
             --infobox "${game} is a web based game and does not need to be installed." -1 -1
         ;;
@@ -421,10 +421,6 @@ case "${game}" in
         unzip -d "${installPath}/soundStrider" "${cache}/soundStrider-linux-x64.zip"
         add_launcher "${installPath}/soundStrider/soundStrider"
         ;;
-    "Trigaea")
-        dialog --backtitle "Linux Game manager" \
-            --infobox "${game} is a web based game and does not need to be installed." -1 -1
-        ;;
     "Wurmus")
         get_installer "Wurmus-linux-x64.zip" "https://shiftbacktick.itch.io/wurmus"
         mkdir -p "${installPath}/Wurmus"