diff --git a/.gitignore b/.gitignore
index 2ab5edd..20409e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,3 @@ NumberGuessingGame-linux/
 NumberGuessingGame-windows.zip
 NumberGuessingGame-macos.zip
 NumberGuessingGame-linux.tar.gz
-
-# TeaVM generated JavaScript (build artifact)
-teavm/classes.js
diff --git a/app/build.gradle b/app/build.gradle
index 24cae97..bbe7ebc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,6 +4,8 @@ plugins {
 
     //Spotless
     id 'com.diffplug.spotless' version '8.0.0'
+
+    id 'com.gradleup.shadow' version '9.2.2'
 }
 
 repositories {
@@ -14,6 +16,8 @@ repositories {
 dependencies {
     // This dependency is used by the application.
     implementation libs.guava
+
+    implementation files('../libs/jlibutils-0.0.1.jar')
 }
 
 testing {
@@ -30,14 +34,10 @@ testing {
 java {
     toolchain {
         // Use JDK 25
-        languageVersion = JavaLanguageVersion.of(25)
+        languageVersion = JavaLanguageVersion.of(8)
     }
 }
 
-tasks.withType(JavaCompile) {
-    options.release.set(8)
-}
-
 application {
     // Define the main class for the application.
     mainClass = 'io.github.project516.NumberGuessingGame.Main'
diff --git a/libs/jlibutils-0.0.1.jar b/libs/jlibutils-0.0.1.jar
new file mode 100644
index 0000000..8e07129
Binary files /dev/null and b/libs/jlibutils-0.0.1.jar differ
diff --git a/package-deb.sh b/package-deb.sh
index 3c1ff9c..e0a1968 100755
--- a/package-deb.sh
+++ b/package-deb.sh
@@ -21,7 +21,7 @@ gradle build
 
 # Copy the compiled JAR file to the package directory
 echo "Copying files to package directory..."
-cp app/build/libs/app.jar debian-package/usr/share/games/numberguessinggame/game.jar
+cp app/build/libs/app-all.jar debian-package/usr/share/games/numberguessinggame/game.jar
 
 # Copy documentation files
 cp README.md debian-package/usr/share/games/numberguessinggame/README.md
diff --git a/package-linux.sh b/package-linux.sh
index 399dd91..26d452a 100755
--- a/package-linux.sh
+++ b/package-linux.sh
@@ -37,7 +37,7 @@ cd ..
 # Create package directory structure
 echo "Creating package structure..."
 mkdir -p ${PACKAGE_NAME}
-cp app/build/libs/app.jar ${PACKAGE_NAME}/game.jar
+cp app/build/libs/app-all.jar ${PACKAGE_NAME}/game.jar
 cp README.md ${PACKAGE_NAME}/README.txt
 cp LICENSE ${PACKAGE_NAME}/LICENSE
 
diff --git a/package-macos.sh b/package-macos.sh
index e3df675..b87bc2e 100755
--- a/package-macos.sh
+++ b/package-macos.sh
@@ -37,7 +37,7 @@ cd ..
 # Create package directory structure
 echo "Creating package structure..."
 mkdir -p ${PACKAGE_NAME}
-cp app/build/libs/app.jar ${PACKAGE_NAME}/game.jar
+cp app/build/libs/app-all.jar ${PACKAGE_NAME}/game.jar
 cp README.md ${PACKAGE_NAME}/README.txt
 cp LICENSE ${PACKAGE_NAME}/LICENSE
 
diff --git a/package-win.sh b/package-win.sh
index e94b40e..5f9d671 100755
--- a/package-win.sh
+++ b/package-win.sh
@@ -37,7 +37,7 @@ cd ..
 # Create package directory structure
 echo "Creating package structure..."
 mkdir -p ${PACKAGE_NAME}
-cp app/build/libs/app.jar ${PACKAGE_NAME}/game.jar
+cp app/build/libs/app-all.jar ${PACKAGE_NAME}/game.jar
 cp README.md ${PACKAGE_NAME}/README.txt
 cp LICENSE ${PACKAGE_NAME}/LICENSE
 
diff --git a/package-zip.bat b/package-zip.bat
index f65a778..bdc0e6a 100644
--- a/package-zip.bat
+++ b/package-zip.bat
@@ -11,7 +11,7 @@ REM Create distribution directory structure
 mkdir NumberGuessingGame
 
 REM Copy the game JAR and necessary files
-copy app\build\libs\app.jar NumberGuessingGame\game.jar
+copy app\build\libs\app-all.jar NumberGuessingGame\game.jar
 copy scripts\run.bat NumberGuessingGame\run.bat
 copy scripts\run.sh NumberGuessingGame\run.sh
 copy README.md NumberGuessingGame\README.txt
diff --git a/package-zip.sh b/package-zip.sh
index 8b6485d..712ed00 100755
--- a/package-zip.sh
+++ b/package-zip.sh
@@ -16,7 +16,7 @@ cd ..
 mkdir NumberGuessingGame
 
 # Copy the game JAR and necessary files
-cp -r app/build/libs/app.jar NumberGuessingGame/game.jar
+cp -r app/build/libs/app-all.jar NumberGuessingGame/game.jar
 cp -r scripts/run.bat NumberGuessingGame/run.bat
 cp -r scripts/run.sh NumberGuessingGame/run.sh
 cp -r README.md NumberGuessingGame/README.txt
diff --git a/teavm.sh b/teavm.sh
deleted file mode 100755
index 7aea388..0000000
--- a/teavm.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/sh
-# Script to build TeaVM JavaScript output for GitHub Pages deployment
-# TeaVM compiles Java bytecode to JavaScript for running in web browsers
-# This script replaces the old cheerpj.sh approach
-# Output: JavaScript files in app/build/docs/javadoc/teavm/
-
-echo "Building project..."
-./gradlew build
-
-echo "Compiling Java to JavaScript with TeaVM..."
-# Note: Configuration cache is disabled due to TeaVM plugin compatibility
-./gradlew teavmc --no-configuration-cache
-
-echo "Copying TeaVM output to javadoc directory..."
-# Create output directory if it doesn't exist
-mkdir -p app/build/docs/javadoc/teavm
-
-# Copy generated JavaScript and HTML files
-cp -f app/build/teavm/classes.js app/build/docs/javadoc/teavm/
-cp -f teavm/index.html app/build/docs/javadoc/teavm/
-
-echo "TeaVM build completed successfully!"
-echo "Output location: app/build/docs/javadoc/teavm/"
diff --git a/test-gui.bat b/test-gui.bat
index 01a3e20..274ef1a 100644
--- a/test-gui.bat
+++ b/test-gui.bat
@@ -4,6 +4,6 @@ REM This script runs the graphical version of the game
 REM Note: Run gradlew.bat build first to compile the project
 
 REM Run the game in GUI mode (default - opens a window)
-java -jar app/build/libs/app.jar
+java -jar app/build/libs/app-all.jar
 
 @pause
diff --git a/test-gui.sh b/test-gui.sh
index a163e66..50d26ae 100644
--- a/test-gui.sh
+++ b/test-gui.sh
@@ -6,4 +6,4 @@
 ./gradlew build
 
 # Run the game in GUI mode (default - opens a window)
-java -jar app/build/libs/app.jar
+java -jar app/build/libs/app-all.jar
diff --git a/test.bat b/test.bat
index bb0aa1d..0015063 100644
--- a/test.bat
+++ b/test.bat
@@ -4,6 +4,6 @@ REM This script runs the console version of the game
 REM Note: Run gradlew.bat build first to compile the project
 
 REM Run the game in console mode (text-based interface)
-java -jar app/build/libs/app.jar --console
+java -jar app/build/libs/app-all.jar --console
 
 @pause
diff --git a/test.sh b/test.sh
index 67503c4..38f354c 100755
--- a/test.sh
+++ b/test.sh
@@ -6,4 +6,4 @@
 ./gradlew build
 
 # Run the game in console mode (text-based interface)
-java -jar app/build/libs/app.jar --console
+java -jar app/build/libs/app-all.jar --console