diff --git a/client/src/graphics/draw.rs b/client/src/graphics/draw.rs
index ba11e129..52c97dd4 100644
--- a/client/src/graphics/draw.rs
+++ b/client/src/graphics/draw.rs
@@ -5,8 +5,8 @@ use ash::vk;
 use common::traversal;
 use lahar::Staged;
 use metrics::histogram;
-use yakui::Color;
 
+use super::gui::{self, GuiState};
 use super::{fog, voxels, Base, Fog, Frustum, GltfScene, Meshes, Voxels};
 use crate::{Asset, Config, Loader, Sim};
 use common::proto::{Character, Position};
@@ -271,9 +271,11 @@ impl Draw {
     ///
     /// Submits commands that wait on `image_acquired` before writing to `framebuffer`'s color
     /// attachment.
+    #[allow(clippy::too_many_arguments)] // Every argument is of a different type, making this less of a problem.
     pub unsafe fn draw(
         &mut self,
         mut sim: Option<&mut Sim>,
+        gui_state: &GuiState,
         framebuffer: vk::Framebuffer,
         depth_view: vk::ImageView,
         extent: vk::Extent2D,
@@ -304,18 +306,7 @@ impl Draw {
 
         self.yak.start();
         if let Some(sim) = sim.as_ref() {
-            // Cursor
-            yakui::align(yakui::Alignment::CENTER, || {
-                yakui::colored_box(yakui::Color::BLACK.with_alpha(0.9), [5.0, 5.0]);
-            });
-
-            yakui::align(yakui::Alignment::TOP_LEFT, || {
-                yakui::pad(yakui::widgets::Pad::all(8.0), || {
-                    yakui::colored_box_container(Color::BLACK.with_alpha(0.7), || {
-                        yakui::label(format!("Selected material: {:?}", sim.selected_material()));
-                    });
-                });
-            });
+            gui::gui(gui_state, sim);
         }
         self.yak.finish();
 
diff --git a/client/src/graphics/gui.rs b/client/src/graphics/gui.rs
new file mode 100644
index 00000000..ecd51f97
--- /dev/null
+++ b/client/src/graphics/gui.rs
@@ -0,0 +1,37 @@
+use yakui::{
+    align, colored_box, colored_box_container, label, pad, widgets::Pad, Alignment, Color,
+};
+
+use crate::Sim;
+
+pub struct GuiState {
+    show_gui: bool,
+}
+
+impl GuiState {
+    pub fn new() -> Self {
+        GuiState { show_gui: true }
+    }
+
+    pub fn toggle_gui(&mut self) {
+        self.show_gui = !self.show_gui;
+    }
+}
+
+pub fn gui(gui_state: &GuiState, sim: &Sim) {
+    if !gui_state.show_gui {
+        return;
+    }
+
+    align(Alignment::CENTER, || {
+        colored_box(Color::BLACK.with_alpha(0.9), [5.0, 5.0]);
+    });
+
+    align(Alignment::TOP_LEFT, || {
+        pad(Pad::all(8.0), || {
+            colored_box_container(Color::BLACK.with_alpha(0.7), || {
+                label(format!("Selected material: {:?}", sim.selected_material()));
+            });
+        });
+    });
+}
diff --git a/client/src/graphics/mod.rs b/client/src/graphics/mod.rs
index 83622d0c..d39cd9ae 100644
--- a/client/src/graphics/mod.rs
+++ b/client/src/graphics/mod.rs
@@ -6,6 +6,7 @@ mod draw;
 mod fog;
 mod frustum;
 mod gltf_mesh;
+mod gui;
 mod meshes;
 mod png_array;
 pub mod voxels;
diff --git a/client/src/graphics/window.rs b/client/src/graphics/window.rs
index 005c461e..c9b806a5 100644
--- a/client/src/graphics/window.rs
+++ b/client/src/graphics/window.rs
@@ -15,6 +15,7 @@ use winit::{
     window::{CursorGrabMode, Window as WinitWindow, WindowBuilder},
 };
 
+use super::gui::GuiState;
 use super::{Base, Core, Draw, Frustum};
 use crate::Net;
 use crate::{net, Config, Sim};
@@ -57,6 +58,7 @@ pub struct Window {
     swapchain_needs_update: bool,
     draw: Option<Draw>,
     sim: Option<Sim>,
+    gui_state: GuiState,
     net: Net,
 }
 
@@ -93,6 +95,7 @@ impl Window {
             swapchain_needs_update: false,
             draw: None,
             sim: None,
+            gui_state: GuiState::new(),
             net,
         }
     }
@@ -261,6 +264,9 @@ impl Window {
                                 sim.toggle_no_clip();
                             }
                         }
+                        KeyCode::F1 if state == ElementState::Pressed => {
+                            self.gui_state.toggle_gui();
+                        }
                         KeyCode::Escape => {
                             let _ = self.window.set_cursor_grab(CursorGrabMode::None);
                             self.window.set_cursor_visible(true);
@@ -352,6 +358,7 @@ impl Window {
             // Render the frame
             draw.draw(
                 self.sim.as_mut(),
+                &self.gui_state,
                 frame.buffer,
                 frame.depth_view,
                 swapchain.state.extent,