diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/backend/InputHandler.java b/src/main/java/ru/windcorp/progressia/client/graphics/backend/InputHandler.java
index 2f725d7..285f6f3 100644
--- a/src/main/java/ru/windcorp/progressia/client/graphics/backend/InputHandler.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/backend/InputHandler.java
@@ -101,6 +101,7 @@ public class InputHandler {
 			double x, double y
 	) {
 		if (GraphicsBackend.getWindowHandle() != window) return;
+		y = GraphicsInterface.getFrameHeight() - y; // Flip y axis
 		
 		InputTracker.initializeCursorPosition(x, y);
 		
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderHelper.java b/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderHelper.java
old mode 100644
new mode 100755
index 1f99721..11b2f9e
--- a/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderHelper.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderHelper.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Progressia
+ * Optica
  * Copyright (C) 2020  Wind Corporation
  *
  * This program is free software: you can redistribute it and/or modify
@@ -36,8 +36,8 @@ public abstract class FlatRenderHelper extends ShapeRenderHelper {
 		float width = GraphicsInterface.getFrameWidth();
 		float height = GraphicsInterface.getFrameHeight();
 		
-		return finalTransform.identity().translate(-1, +1, 0)
-	              .scale(2 / width, -2 / height, 1 / MAX_DEPTH)
+		return finalTransform.identity().translate(-1, -1, 0)
+	              .scale(2 / width, 2 / height, 1 / MAX_DEPTH)
 	              .mul(getTransform());
 	}
 
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderProgram.java b/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderProgram.java
old mode 100644
new mode 100755
index 2953901..884b2ed
--- a/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderProgram.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/flat/FlatRenderProgram.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Progressia
+ * Optica
  * Copyright (C) 2020  Wind Corporation
  *
  * This program is free software: you can redistribute it and/or modify
@@ -104,14 +104,6 @@ public class FlatRenderProgram extends ShapeRenderProgram {
 		masks.flip();
 		masksUniform.set(masks);
 		
-//		for (int i = 0; i < pos; ++i) {
-//			if (i % TransformedMask.SIZE_IN_FLOATS == 0) {
-//				System.out.print(" | ");
-//			}
-//			System.out.print(masks.get(i) + "; ");
-//		}
-//		System.out.println();
-		
 		masks.limit(limit);
 		masks.position(pos);
 	}
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/flat/LayerTestUI.java b/src/main/java/ru/windcorp/progressia/client/graphics/flat/LayerTestUI.java
old mode 100644
new mode 100755
index 4586f12..8fbffcc
--- a/src/main/java/ru/windcorp/progressia/client/graphics/flat/LayerTestUI.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/flat/LayerTestUI.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Progressia
+ * Optica
  * Copyright (C) 2020  Wind Corporation
  *
  * This program is free software: you can redistribute it and/or modify
@@ -52,9 +52,9 @@ public class LayerTestUI extends AssembledFlatLayer {
 		final int boxShadowColor = flag ? 0x440000 : 0x444400;
 		
 		int x = (getWidth() - WIDTH) / 2;
-		int y = getHeight() - HEIGHT - 2*BORDER;
+		int y = 2*BORDER;
 
-		target.fill(x + BORDER, y + BORDER, WIDTH, HEIGHT, boxShadowColor);
+		target.fill(x + BORDER, y - BORDER, WIDTH, HEIGHT, boxShadowColor);
 		target.fill(x - 1, y - 1, WIDTH + 2, HEIGHT + 2, boxShadowColor);
 		target.fill(x, y, WIDTH, HEIGHT, borderColor);
 		target.fill(x + BORDER, y + BORDER, WIDTH - 2*BORDER, HEIGHT - 2*BORDER, boxColor);
@@ -67,7 +67,7 @@ public class LayerTestUI extends AssembledFlatLayer {
 		final Texture compassBg = SimpleTextures.get("compass_icon");
 		final Texture compassFg = SimpleTextures.get("compass_icon_arrow");
 		
-		target.drawTexture(texShadow, texShadow, texSize, texSize, Colors.BLACK, compassBg);
+		target.drawTexture(texShadow, -texShadow, texSize, texSize, Colors.BLACK, compassBg);
 		target.drawTexture(0, 0, texSize, texSize, compassBg);
 		
 		target.addCustomRenderer(new LambdaModel(LambdaModel.lambdaBuilder()
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/flat/RenderTarget.java b/src/main/java/ru/windcorp/progressia/client/graphics/flat/RenderTarget.java
old mode 100644
new mode 100755
index dd24d33..fe018c7
--- a/src/main/java/ru/windcorp/progressia/client/graphics/flat/RenderTarget.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/flat/RenderTarget.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Progressia
+ * Optica
  * Copyright (C) 2020  Wind Corporation
  *
  * This program is free software: you can redistribute it and/or modify
@@ -228,9 +228,9 @@ public class RenderTarget {
 				FlatRenderProgram.getDefault(),
 				texture,
 				createVectorFromRGBInt(color),
-				new Vec3(x, y + height, depth), // Flip
+				new Vec3(x, y, depth),
 				new Vec3(width, 0, 0),
-				new Vec3(0, -height, 0)
+				new Vec3(0, height, 0)
 		);
 	}
 	
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/flat/TransformedMask.java b/src/main/java/ru/windcorp/progressia/client/graphics/flat/TransformedMask.java
old mode 100644
new mode 100755
index 4916b95..f02e171
--- a/src/main/java/ru/windcorp/progressia/client/graphics/flat/TransformedMask.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/flat/TransformedMask.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Progressia
+ * Optica
  * Copyright (C) 2020  Wind Corporation
  *
  * This program is free software: you can redistribute it and/or modify
@@ -22,7 +22,6 @@ import java.nio.FloatBuffer;
 import glm.mat._4.Mat4;
 import glm.vec._2.Vec2;
 import glm.vec._4.Vec4;
-import ru.windcorp.progressia.client.graphics.backend.GraphicsInterface;
 
 public class TransformedMask {
 	
@@ -92,8 +91,6 @@ public class TransformedMask {
 		transform.mul(startXendY);
 		transform.mul(endXstartY);
 		transform.mul(endXendY);
-
-		flipY();
 	}
 
 	private void ensureTemporaryVariablesExist() {
@@ -105,15 +102,6 @@ public class TransformedMask {
 		}
 	}
 
-	private void flipY() {
-		float height = GraphicsInterface.getFrameHeight();
-		
-		startXstartY.y = height - startXstartY.y;
-		startXendY.y = height - startXendY.y;
-		endXstartY.y = height - endXstartY.y;
-		endXendY.y = height - endXendY.y;
-	}
-
 	private void setFields() {
 		origin.set(
 				startXstartY.x,
diff --git a/src/main/java/ru/windcorp/progressia/client/graphics/world/LayerWorld.java b/src/main/java/ru/windcorp/progressia/client/graphics/world/LayerWorld.java
index bc213d1..5ea8650 100644
--- a/src/main/java/ru/windcorp/progressia/client/graphics/world/LayerWorld.java
+++ b/src/main/java/ru/windcorp/progressia/client/graphics/world/LayerWorld.java
@@ -190,7 +190,7 @@ public class LayerWorld extends Layer {
 		if (!flag) return;
 		
 		final float yawScale = 0.002f;
-		final float pitchScale = yawScale;
+		final float pitchScale = -yawScale;
 		
 		camera.turn(
 				(float) (event.getChangeY() * pitchScale),