diff --git a/modules/generative_grammar/grammar.cpp b/modules/generative_grammar/grammar.cpp
index e576120d42..7f0f6e0dbb 100644
--- a/modules/generative_grammar/grammar.cpp
+++ b/modules/generative_grammar/grammar.cpp
@@ -1,4 +1,5 @@
 #include "generative_grammar/grammar.h"
+#include "core/math/math_funcs.h"
 #include "core/object/class_db.h"
 #include "core/variant/typed_array.h"
 #include "macros.h"
@@ -46,8 +47,11 @@ void Sentence::set_at(Vector2i coord, Symbol symbol) {
 
 bool Sentence::check_match_at(Vector2i at, Ref<Sentence> pattern) {
 	Vector2i const pattern_size{ pattern->get_size() };
+	if (at.x < 0 || at.y < 0) {
+		return false; // can't match out of negative bounds
+	}
 	if (at.x + pattern_size.x >= this->size.x || at.y + pattern_size.y >= this->size.y) {
-		return false; // can't match, out of bounds
+		return false; // can't match, out of positive bounds
 	}
 	for (Vector2i itr{ 0, 0 }; itr.y < pattern_size.y; ++itr.y) {
 		for (; itr.x < pattern_size.x; ++itr.x) {
@@ -160,16 +164,7 @@ void ReplaceRule::_bind_methods() {
 
 bool ReplaceRule::try_match(Ref<Sentence> sentence, Vector2i &out) {
 	ERR_FAIL_COND_V_EDMSG(this->results.size() == 0, false, "ReplaceRule::try_apply failed, no results in list");
-	Vector2i max{ sentence->get_size() - this->pattern->get_size() };
-	for (Vector2i pos{ 0, 0 }; pos.y < max.y; ++pos.y) {
-		for (; pos.x < max.x; ++pos.x) {
-			if (sentence->check_match_at(pos, this->pattern)) {
-				out = pos;
-				return true;
-			}
-		}
-		pos.x = 0;
-	}
+
 	return false;
 }
 
@@ -190,44 +185,24 @@ bool ReplaceRule::try_apply_all(Ref<Sentence> sentence) {
 		write_result(sentence, at);
 		return true;
 	}
-	this->pattern->read_flip_h = true;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_flip_v = true;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_transposed = true;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_flip_h = false;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_flip_v = false;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_flip_h = true;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
-	}
-	this->pattern->read_transposed = false;
-	if (try_match(sentence, at)) {
-		write_result(sentence, at);
-		return true;
+	unsigned total{ 2 * 2 * 2 };
+	for (Vector2i pos{ 0, 0 }; pos.y < sentence->get_size().y; ++pos.y) {
+		for (; pos.x < sentence->get_size().x; ++pos.x) {
+			unsigned random{ (Math::rand() * 3) % total };
+			for (unsigned i{ 0 }; i < total; ++i) {
+				this->pattern->read_flip_h = (i * random) & 0b1;
+				this->pattern->read_flip_v = (i * random) & 0b10;
+				this->pattern->read_transposed = (i * random) & 0b100;
+				if (sentence->check_match_at(pos, this->pattern)) {
+					write_result(sentence, pos);
+					return true;
+				}
+			}
+		}
+		pos.x = 0;
 	}
 	return false;
 }
-
 bool ReplaceRule::try_apply(Ref<Sentence> sentence) {
 	bool success{ try_apply_all(sentence) };
 	this->pattern->read_flip_h = false;
diff --git a/modules/generative_grammar/register_types.cpp b/modules/generative_grammar/register_types.cpp
index 4dd0c906af..ff99e9f6e9 100644
--- a/modules/generative_grammar/register_types.cpp
+++ b/modules/generative_grammar/register_types.cpp
@@ -12,6 +12,7 @@ void initialize_generative_grammar_module(ModuleInitializationLevel p_level) {
 	ClassDB::register_class<RepeatRuleUntilFailure>();
 	ClassDB::register_class<CompositeRule>();
 	ClassDB::register_class<ReplaceRule>();
+	ClassDB::register_class<ResizeRule>();
 	ClassDB::register_class<Generator>();
 }