diff --git a/DungeonTemplateLibrary/Beta_BoardGame.hpp b/DungeonTemplateLibrary/Beta_BoardGame.hpp
index 2f5af75..bfc6007 100644
--- a/DungeonTemplateLibrary/Beta_BoardGame.hpp
+++ b/DungeonTemplateLibrary/Beta_BoardGame.hpp
@@ -218,7 +218,7 @@ namespace dtl::generator::boardGame {
 				create(matrix_, black_, white_);
 			}
 			template<typename Matrix_>
-			constexpr void create(Matrix_& matrix_, const Matrix_Int_ black_ = 2, const Matrix_Int_ white_ = 1) noexcept {
+			constexpr void create(Matrix_& matrix_, const Matrix_Int_ black_ = 2, const Matrix_Int_ white_ = 1) const noexcept {
 				createReversi(matrix_, black_, white_);
 			}
 		};
@@ -346,7 +346,7 @@ namespace dtl::generator::boardGame {
 				create(matrix_);
 			}
 			template<typename Matrix_>
-			constexpr void create(Matrix_& matrix_) noexcept {
+			constexpr void create(Matrix_& matrix_) const noexcept {
 				dtl::generator::boardGame::stl::createChess(matrix_);
 			}
 		};
@@ -391,7 +391,7 @@ namespace dtl::generator::boardGame {
 				create(matrix_, x_, y_);
 			}
 			template<typename Matrix_>
-			constexpr void create(Matrix_& matrix_, const std::size_t x_, const std::size_t y_) noexcept {
+			constexpr void create(Matrix_& matrix_, const std::size_t x_, const std::size_t y_) const noexcept {
 				dtl::generator::boardGame::normal::createChess(matrix_, x_, y_);
 			}
 		};
@@ -419,7 +419,7 @@ namespace dtl::generator::puzzle::tool {
 		bool visited{};
 		std::vector<std::shared_ptr<KnightTourNode>> next{};
 
-		KnightTourNode(const std::int_fast32_t row_, const std::int_fast32_t col_) noexcept : row(row_), col(col_), visited(false) {}
+		explicit KnightTourNode(const std::int_fast32_t row_, const std::int_fast32_t col_) noexcept : row(row_), col(col_), visited(false) {}
 	};
 
 	class KnightTourIsUnvisited {
@@ -436,7 +436,7 @@ namespace dtl::generator::puzzle::tool {
 	private:
 		std::size_t counter{};
 	public:
-		KnightTourNotEqualUnvisited(const std::shared_ptr<KnightTourNode>& node_) noexcept : counter(static_cast<std::size_t>(std::count_if(node_->next.begin(), node_->next.end(), KnightTourIsUnvisited()))) { }
+		explicit KnightTourNotEqualUnvisited(const std::shared_ptr<KnightTourNode>& node_) noexcept : counter(static_cast<std::size_t>(std::count_if(node_->next.begin(), node_->next.end(), KnightTourIsUnvisited()))) { }
 		bool operator()(const std::shared_ptr<KnightTourNode>& node_) const noexcept {
 			return static_cast<std::size_t>(std::count_if(node_->next.begin(), node_->next.end(), KnightTourIsUnvisited())) != counter;
 		}
diff --git a/DungeonTemplateLibrary/Generator_Common_OneLine.hpp b/DungeonTemplateLibrary/Generator_Common_OneLine.hpp
index db4a66e..14ffae6 100644
--- a/DungeonTemplateLibrary/Generator_Common_OneLine.hpp
+++ b/DungeonTemplateLibrary/Generator_Common_OneLine.hpp
@@ -82,7 +82,7 @@ namespace dtl::generator::common::stl {
 			create(matrix_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineDown(matrix_, value_);
 		}
 	};
@@ -97,7 +97,7 @@ namespace dtl::generator::common::stl {
 			create(matrix_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineUp(matrix_, value_);
 		}
 	};
@@ -112,7 +112,7 @@ namespace dtl::generator::common::stl {
 			create(matrix_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineLeft(matrix_, value_);
 		}
 	};
@@ -127,7 +127,7 @@ namespace dtl::generator::common::stl {
 			create(matrix_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineRight(matrix_, value_);
 		}
 	};
@@ -437,7 +437,7 @@ namespace dtl::generator::common::layer::stl {
 			create(matrix_, layer_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineDown(matrix_, layer_, value_);
 		}
 	};
@@ -452,7 +452,7 @@ namespace dtl::generator::common::layer::stl {
 			create(matrix_, layer_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineUp(matrix_, layer_, value_);
 		}
 	};
@@ -467,7 +467,7 @@ namespace dtl::generator::common::layer::stl {
 			create(matrix_, layer_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineLeft(matrix_, layer_, value_);
 		}
 	};
@@ -482,7 +482,7 @@ namespace dtl::generator::common::layer::stl {
 			create(matrix_, layer_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const Matrix_Int_ value_ = 1) const noexcept {
 			createOneLineRight(matrix_, layer_, value_);
 		}
 	};
diff --git a/DungeonTemplateLibrary/Generator_Common_PointGrid.hpp b/DungeonTemplateLibrary/Generator_Common_PointGrid.hpp
index 1afbe03..2d0434a 100644
--- a/DungeonTemplateLibrary/Generator_Common_PointGrid.hpp
+++ b/DungeonTemplateLibrary/Generator_Common_PointGrid.hpp
@@ -191,7 +191,7 @@ namespace dtl::generator::common::layer::normal {
 			create(matrix_, layer_, x_, y_, value_);
 		}
 		template<typename Matrix_>
-		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const std::size_t x_, const std::size_t y_, const Matrix_Int_ value_ = 1) noexcept {
+		constexpr void create(Matrix_& matrix_, const std::size_t layer_, const std::size_t x_, const std::size_t y_, const Matrix_Int_ value_ = 1) const noexcept {
 			createPointGrid(matrix_, layer_, x_, y_, value_);
 		}
 	};