New features and plenty of code still in testing. This includes a level select, basic inventory, and a basic HUD.

GUI/HUD.gd

@@ -0,0 +1,18 @@
+extends CanvasLayer
+
+signal add_currency(amount)
+
+
+func _on_Add_Currency_pressed() -> void:
+    emit_signal('add_currency', 1)
+    return
+
+
+func update_currency(amount: int) -> void:
+    $Currency.set_text(String(amount))
+    return
+
+
+func update_health(value: int) -> void:
+    $'Health Bar'.value = value
+    return