diff --git a/Sandbox.csproj b/Sandbox.csproj
index badc74b..6d96b26 100644
--- a/Sandbox.csproj
+++ b/Sandbox.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Godot.NET.Sdk/4.1.0">
+<Project Sdk="Godot.NET.Sdk/4.0.3">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <EnableDynamicLoading>true</EnableDynamicLoading>
diff --git a/Sandbox.csproj.old.1 b/Sandbox.csproj.old.1
new file mode 100644
index 0000000..badc74b
--- /dev/null
+++ b/Sandbox.csproj.old.1
@@ -0,0 +1,9 @@
+<Project Sdk="Godot.NET.Sdk/4.1.0">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+  </PropertyGroup>
+  <ItemGroup>
+    <Folder Include="Scenes\" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/Scripts/Player.cs b/Scripts/Player.cs
index 33d3011..f85c7fe 100644
--- a/Scripts/Player.cs
+++ b/Scripts/Player.cs
@@ -34,17 +34,17 @@ public partial class Player : CharacterBody3D
       _weaponType = _projectiles.First();
    }
 
-   public override void _UnhandledInput(InputEvent @event)
-   {
+  public override void _Process(double delta)
+  {
       if (Input.IsActionJustPressed("quit"))
          GetTree().Quit();
       if (Input.IsActionJustPressed("shoot"))
          Shoot();
       if (Input.IsActionJustPressed("switch"))
          SwitchWeaponType();
-   }
+  }
 
-   public override void _PhysicsProcess(double delta)
+  public override void _PhysicsProcess(double delta)
    {
       var gravityDelta = _gravity * (float)delta;
       var velocity = CalculateMovement(Velocity, Transform, gravityDelta);
diff --git a/project.godot b/project.godot
index 4b4df72..33a47fb 100644
--- a/project.godot
+++ b/project.godot
@@ -12,7 +12,7 @@ config_version=5
 
 config/name="Sandbox"
 run/main_scene="res://Scenes/Main.tscn"
-config/features=PackedStringArray("4.1", "C#", "Forward Plus")
+config/features=PackedStringArray("4.0", "C#", "Forward Plus")
 
 [dotnet]
 
@@ -81,5 +81,6 @@ shoot={
 switch={
 "deadzone": 0.5,
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":88,"key_label":0,"unicode":120,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"button_index":3,"pressure":0.0,"pressed":true,"script":null)
 ]
 }