diff --git a/.install/Slay the Spire.sh b/.install/Slay the Spire.sh
index 0350ed2..c132d3b 100644
--- a/.install/Slay the Spire.sh	
+++ b/.install/Slay the Spire.sh	
@@ -1,24 +1,39 @@
 check_architecture x86_64
-echo "Please note this requires the game to be available either in your Steam library"
-echo "or as the installer purchased from gog.com."
-echo "If using the gog.com installer, please use the default path when prompted."
-alert
 check_dependencies steamcmd
+alert
+dialog --backtitle "Linux Game manager" \
+    --msgbox \
+    "Please note this requires the game to be available either in your Steam library\nor as the installer purchased from gog.com.\nIf using the gog.com installer, please use the default path when prompted." -1 -1 --stdout
+dialog --backtitle "Linux Game Manager" \
+    --yes-label "GOG" \
+    --no-label "Steam" \
+    --yesno "Select installation method" -1 -1 --stdout
+installationMethod=$?
 appId="646570"
-if ! [[ -f  ~/Downloads/slay_the_spire_2020_12_15_8735c9fe3cc2280b76aa3ec47c953352a7df1f65_43444.sh ]] && ! [[ -f ~/Desktop/slay_the_spire_2020_12_15_8735c9fe3cc2280b76aa3ec47c953352a7df1f65_43444.sh ]]; then
+gogFileName="slay_the_spire_2020_12_15_8735c9fe3cc2280b76aa3ec47c953352a7df1f65_43444.sh"
+if [[ $installMethod -eq 1 ]]; then
+    # Steam Installation
     echo "Please enter Steam user name:"
     read -er steamUser
     steamcmd +@sSteamCmdForcePlatformType linux +force_install_dir "${HOME}/.local/games/SlayTheSpire" +login "$steamUser" +app_update "$appId" +quit
+    if [[ $? -ne 0 ]]; then
+        dialog --backtitle "Linux Game Manager" \
+            --msgbox "Error installing game through Steam." -1 -1 --stdout
+        exit 1
+    fi
 else
-    DISPLAY=""
-    find ~/Downloads -maxdepth 1 -type f -name 'slay_the_spire_2020_12_15_8735c9fe3cc2280b76aa3ec47c953352a7df1f65_43444.sh' -exec bash "{}" \; ||
-    find ~/Desktop -maxdepth 1 -type f -name 'slay_the_spire_2020_12_15_8735c9fe3cc2280b76aa3ec47c953352a7df1f65_43444.sh' -exec bash "{}" \;
+    # GOG Installation
+    get_installer "$gogFileName" "https://www.gog.com/en/game/slay_the_spire"
+    DISPLAY="" find ~/Downloads -maxdepth 1 -type f -name "$gogFileName" -exec bash "{}" \; ||
+        find ~/Desktop -maxdepth 1 -type f -name "$gogFileName" -exec bash "{}" \;
     if [[ $? -eq 0 ]]; then
         ln -sf "${HOME}/GOG Games/Slay the Spire/game" "${installPath}/SlayTheSpire" ||
-        { echo "Error creating link."
-        exit 1; }
+        { dialog --backtitle "Linux Game Manager" \
+            --msgbox "Error creating link to game directory." -1 -1 --stdout
+          exit 1; }
     else
-        echo "Error installing game."
+        dialog --backtitle "Linux Game Manager" \
+            --msgbox "Error installing game from GOG installer." -1 -1 --stdout
         exit 1
     fi
 fi
@@ -33,7 +48,7 @@ else
 fi
 cp -v .files/SlayTheSpire/MTS.sh "${HOME}/.local/games/SlayTheSpire/"
 # Get mods
-declare -A mods=(
+declare -A modsMap=(
     [mod the spire]=1605060445
     [base mod]=1605833019
     [stslib]=1609158507
@@ -42,15 +57,25 @@ declare -A mods=(
     [say the spire]=2239220106
 )
 installString=""
-for x in ${mods[@]} ; do
-    installString="$installString +workshop_download_item $appId $x"
+for modId in ${modsMap[@]} ; do
+    installString="$installString +workshop_download_item $appId $modId"
 done
 steamcmd +@sSteamCmdForcePlatformType linux +force_install_dir "${HOME}/.local/games/SlayTheSpire/" +login anonymous $installString +quit
+if [[ $? -ne 0 ]]; then
+    dialog --backtitle "Linux Game Manager" \
+        --msgbox "Error installing required mods. Some accessibility features may not be available." -1 -1 --stdout
+    exit 1
+fi
 mkdir -p "$HOME/.local/games/SlayTheSpire/mods"
-for x in "${!mods[@]}" ; do
-    if [ "$x" == "mod the spire" ] ; then
-        ln -sr "$HOME/.local/games/SlayTheSpire/steamapps/workshop/content/$appId/${mods[$x]}"/* "$HOME/.local/games/SlayTheSpire/"
+for modName in "${!modsMap[@]}" ; do
+    if [[ "$modName" == "mod the spire" ]]; then
+        ln -sr "$HOME/.local/games/SlayTheSpire/steamapps/workshop/content/$appId/${modsMap[$modName]}"/* "$HOME/.local/games/SlayTheSpire/"
     else
-        ln -sr "$HOME/.local/games/SlayTheSpire/steamapps/workshop/content/$appId/${mods[$x]}"/* "$HOME/.local/games/SlayTheSpire/mods/"
+        ln -sr "$HOME/.local/games/SlayTheSpire/steamapps/workshop/content/$appId/${modsMap[$modName]}"/* "$HOME/.local/games/SlayTheSpire/mods/"
+    fi
+    if [[ $? -ne 0 ]] && [[ "$modName" == "say the spire" ]]; then
+        dialog --backtitle "Linux Game Manager" \
+            --msgbox "Error installing SayTheSpire mod. Screen reader support will not be available." -1 -1 --stdout
+        exit 1
     fi
 done