diff --git a/libs/util/include/psemek/util/ecs.hpp b/libs/util/include/psemek/util/ecs.hpp
index a0debede..20b23201 100644
--- a/libs/util/include/psemek/util/ecs.hpp
+++ b/libs/util/include/psemek/util/ecs.hpp
@@ -550,7 +550,8 @@ namespace psemek::util
 
 		static species_handle entity_species(entity_handle entity) { return {ecs_detail::unpack(entity.value).species}; }
 
-		entity_handle add_entity(species_handle species);
+		template <typename ... Components>
+		entity_handle add_entity(species_handle species, typename Components::data ... components);
 		ecs_detail::entity_id entity_count(species_handle species) const;
 		void remove_entity(entity_handle entity);
 		bool entity_active(entity_handle entity);
@@ -635,9 +636,11 @@ namespace psemek::util
 		return {result};
 	}
 
-	inline ecs::entity_handle ecs::add_entity(species_handle species)
+	template <typename ... Components>
+	inline ecs::entity_handle ecs::add_entity(species_handle species, typename Components::data ... components)
 	{
 		entity_handle entity{species_[species.value]->add_entity()};
+		((get<Components>(entity) = std::move(components)), ...);
 		for (auto const & ctor : constructors_)
 			ctor(entity);
 		for (auto const & ctor : species_constructors_[species.value])