diff --git a/build.sh b/build.sh
index 0109ee3..9e5c386 100755
--- a/build.sh
+++ b/build.sh
@@ -23,8 +23,14 @@ threads=$(($(nproc)+1))
 cd extern/bullet/
 mkdir -p build
 cd build
-$cmake -DBUILD_DEMOS=0 -DBUILD_EXTRAS=0 -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
-make -j$threads
+if [[ $2 == "ninja" ]]
+then
+    $cmake -DBUILD_DEMOS=0 -DBUILD_EXTRAS=0 -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 -GNinja ..
+    ninja
+else
+    $cmake -DBUILD_DEMOS=0 -DBUILD_EXTRAS=0 -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
+    make -j$threads
+fi
 
 cd $currentDir
 
@@ -32,5 +38,11 @@ cd $currentDir
 
 mkdir -p build
 cd build 
-$cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
-make -j$threads
+if [[ $2 == "ninja" ]]
+then
+    $cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 -GNinja ..
+    ninja
+else
+    $cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=0 ..
+    make -j$threads
+fi
diff --git a/package.sh b/package.sh
index 5d4be5f..27a3453 100755
--- a/package.sh
+++ b/package.sh
@@ -12,9 +12,14 @@ then
     platform="windows"
 fi
 
-./build.sh clean
+#./build.sh clean
 
-./build.sh $platform
+if hash ninja 2>/dev/null
+then
+    ./build.sh $platform ninja
+else
+    ./build.sh $platform
+fi
 
 rc=$?
 
@@ -26,7 +31,7 @@ then
     zip -r "MarbleGame_${platform^}.zip" "MarbleGame_${platform^}"
     if hash megacmd 2>/dev/null
     then
-        megacmd put "MarbleGame_${platform^}.zip" mega:/GameBuilds/
+        megacmd -force put "MarbleGame_${platform^}.zip" mega:/GameBuilds/
     fi
     rm -rf "MarbleGame_${platform^}" 
 fi