diff --git a/test/full-demo/main.cpp b/test/full-demo/main.cpp
index 83d1fa0..ec23d2d 100644
--- a/test/full-demo/main.cpp
+++ b/test/full-demo/main.cpp
@@ -80,17 +80,19 @@ class FullDemo : public Gedeng::Application {
         if (Gedeng::Input::is_key_down(GLFW_KEY_4)) tessellation_factor += delta * 8.0;
         if (Gedeng::Input::is_key_down(GLFW_KEY_3)) tessellation_factor -= delta * 8.0;
 
+        if (Gedeng::Input::is_key_down(GLFW_KEY_6)) number_of_steps += delta * 5.0;
+        if (Gedeng::Input::is_key_down(GLFW_KEY_5)) number_of_steps -= delta * 5.0;
+
+        if (Gedeng::Input::is_key_down(GLFW_KEY_8)) number_of_refinement_steps += delta * 5.0;
+        if (Gedeng::Input::is_key_down(GLFW_KEY_7)) number_of_refinement_steps -= delta * 5.0;
+
+        if (Gedeng::Input::is_key_down(GLFW_KEY_0)) bump_depth += delta * 0.1;
+        if (Gedeng::Input::is_key_down(GLFW_KEY_9)) bump_depth -= delta * 0.1;
+
         particles.set_interval(particle_interval);
     }
 
     void dynamic_update(double delta) override {
-        // Wireframe?
-        if (Gedeng::Input::is_key_down(GLFW_KEY_B)) {
-            glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-        } else {
-            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-        }
-
         // Marching cubes
 
         // Create the noise