Made some changes :)

objects/enemy/enemy.gd

@@ -2,6 +2,7 @@ extends Node2D
 
 export var can_be_killed_by_sword = true
 export var can_be_squashed = true
+export var score_for_killing = 0
 
 func _on_Area2D_area_entered(area):
 	#Kill player
@@ -10,9 +11,15 @@ func _on_Area2D_area_entered(area):
 	#Die from sword
 	if area.is_in_group("sword"):
 		if can_be_killed_by_sword:
-			queue_free()
+			die()
+		else:
+			Game.instance_node(Game.block_text,global_position.x,global_position.y,get_parent())
 	#Die from rock/ get squashed
 	if area.is_in_group("squash"):
 		var squasher = area.get_parent()
 		if squasher.position.y + squasher.bottom.position.y < global_position.y:
-			queue_free()
+			die()
+
+func die():
+	Game.score += score_for_killing
+	queue_free()