diff --git a/client/Cargo.toml b/client/Cargo.toml
index bfe13572..3506ac5c 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -14,6 +14,8 @@ server = { path = "../server" }
 tracing = "0.1.10"
 ash = { version = "0.38.0", default-features = false, features = ["loaded", "debug", "std"] }
 lahar = { git = "https://github.com/Ralith/lahar", rev = "7963ae5750ea61fa0a894dbb73d3be0ac77255d2" }
+yakui = { git = "https://github.com/SecondHalfGames/yakui", rev = "cbac6c06dbf948268df6d9e93346788e977cbef3" }
+yakui-vulkan = { git = "https://github.com/SecondHalfGames/yakui", rev = "cbac6c06dbf948268df6d9e93346788e977cbef3" }
 winit = "0.29.10"
 ash-window = "0.13"
 raw-window-handle = "0.6"
diff --git a/client/shaders/fog.frag b/client/shaders/fog.frag
index 37ef0048..e8cf9da2 100644
--- a/client/shaders/fog.frag
+++ b/client/shaders/fog.frag
@@ -16,12 +16,6 @@ void main() {
     float view_length = length(view_pos);
     // Convert to true hyperbolic distance, taking care to respect atanh's domain
     float dist = view_length >= 1.0 ? INFINITY : atanh(view_length);
-    if (dot(scaled_view_pos.xy, scaled_view_pos.xy) < 0.0001) {
-        // Temporary code to add a cursor in the center of the window for placing/breaking blocks
-        // TODO: Replace with a UI element when UI exists
-        fog = vec4(0.0, 0.0, 0.0, 0.0);
-    } else {
-        // Exponential^k fog
-        fog = vec4(0.5, 0.65, 0.9, exp(-pow(dist * fog_density, 5)));
-    }
+    // Exponential^k fog
+    fog = vec4(0.5, 0.65, 0.9, exp(-pow(dist * fog_density, 5)));
 }
diff --git a/client/src/graphics/base.rs b/client/src/graphics/base.rs
index e3aa6fb2..0007c8da 100644
--- a/client/src/graphics/base.rs
+++ b/client/src/graphics/base.rs
@@ -139,7 +139,11 @@ impl Base {
                             .queue_create_infos(&[vk::DeviceQueueCreateInfo::default()
                                 .queue_family_index(queue_family_index)
                                 .queue_priorities(&[1.0])])
-                            .enabled_extension_names(&device_exts),
+                            .enabled_extension_names(&device_exts)
+                            .push_next(
+                                &mut vk::PhysicalDeviceDescriptorIndexingFeatures::default()
+                                    .descriptor_binding_partially_bound(true),
+                            ),
                         None,
                     )
                     .unwrap(),
diff --git a/client/src/graphics/core.rs b/client/src/graphics/core.rs
index 377a35ed..5341b166 100644
--- a/client/src/graphics/core.rs
+++ b/client/src/graphics/core.rs
@@ -68,7 +68,7 @@ impl Core {
                 .application_version(0)
                 .engine_name(name)
                 .engine_version(0)
-                .api_version(vk::make_api_version(0, 1, 1, 0));
+                .api_version(vk::make_api_version(0, 1, 2, 0));
             let mut instance_info = vk::InstanceCreateInfo::default()
                 .application_info(&app_info)
                 .enabled_extension_names(&exts);
diff --git a/client/src/graphics/draw.rs b/client/src/graphics/draw.rs
index eb7139eb..52c97dd4 100644
--- a/client/src/graphics/draw.rs
+++ b/client/src/graphics/draw.rs
@@ -6,6 +6,7 @@ use common::traversal;
 use lahar::Staged;
 use metrics::histogram;
 
+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};
@@ -50,6 +51,10 @@ pub struct Draw {
 
     /// Miscellany
     character_model: Asset<GltfScene>,
+    /// Yakui Vulkan context
+    pub yakui_vulkan: yakui_vulkan::YakuiVulkan,
+    /// Yakui context
+    pub yak: yakui::Yakui,
 }
 
 /// Maximum number of simultaneous frames in flight
@@ -188,6 +193,17 @@ impl Draw {
                 },
             );
 
+            let mut yakui_vulkan_options = yakui_vulkan::Options::default();
+            yakui_vulkan_options.render_pass = gfx.render_pass;
+            yakui_vulkan_options.subpass = 1;
+            let mut yakui_vulkan = yakui_vulkan::YakuiVulkan::new(
+                &yakui_vulkan::VulkanContext::new(device, gfx.queue, gfx.memory_properties),
+                yakui_vulkan_options,
+            );
+            for _ in 0..PIPELINE_DEPTH {
+                yakui_vulkan.transfers_submitted();
+            }
+
             Self {
                 gfx,
                 cfg,
@@ -209,6 +225,8 @@ impl Draw {
                 image_barriers: Vec::new(),
 
                 character_model,
+                yakui_vulkan,
+                yak: yakui::Yakui::new(),
             }
         }
     }
@@ -253,9 +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,
@@ -273,6 +293,25 @@ impl Draw {
         let state = &mut self.states[self.next_state];
         let cmd = state.cmd;
 
+        let yakui_vulkan_context =
+            yakui_vulkan::VulkanContext::new(device, self.gfx.queue, self.gfx.memory_properties);
+
+        self.yak
+            .set_surface_size([extent.width as f32, extent.height as f32].into());
+        self.yak
+            .set_unscaled_viewport(yakui::geometry::Rect::from_pos_size(
+                Default::default(),
+                [extent.width as f32, extent.height as f32].into(),
+            ));
+
+        self.yak.start();
+        if let Some(sim) = sim.as_ref() {
+            gui::gui(gui_state, sim);
+        }
+        self.yak.finish();
+
+        let paint = self.yak.paint();
+
         // We're using this state again, so put the fence back in the unsignaled state and compute
         // the next frame to use
         device.reset_fences(&[state.fence]).unwrap();
@@ -340,6 +379,10 @@ impl Draw {
         );
         timestamp_index += 1;
 
+        self.yakui_vulkan.transfers_finished(&yakui_vulkan_context);
+        self.yakui_vulkan
+            .transfer(paint, &yakui_vulkan_context, cmd);
+
         // Schedule transfer of uniform data. Note that we defer actually preparing the data to just
         // before submitting the command buffer so time-sensitive values can be set with minimum
         // latency.
@@ -470,6 +513,9 @@ impl Draw {
 
         self.fog.draw(device, state.common_ds, cmd);
 
+        self.yakui_vulkan
+            .paint(paint, &yakui_vulkan_context, cmd, extent);
+
         // Finish up
         device.cmd_end_render_pass(cmd);
         device.cmd_write_timestamp(
@@ -546,6 +592,7 @@ impl Drop for Draw {
                     voxels.destroy(device);
                 }
             }
+            self.yakui_vulkan.cleanup(&self.gfx.device);
             device.destroy_command_pool(self.cmd_pool, None);
             device.destroy_query_pool(self.timestamp_pool, None);
             device.destroy_descriptor_pool(self.common_descriptor_pool, None);
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 866726c2..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,
@@ -366,6 +373,7 @@ impl Window {
                 }
                 Err(e) => panic!("queue_present: {e}"),
             };
+            draw.yakui_vulkan.transfers_submitted();
         }
     }
 }
diff --git a/client/src/sim.rs b/client/src/sim.rs
index 8abfe08c..9f59582f 100644
--- a/client/src/sim.rs
+++ b/client/src/sim.rs
@@ -161,6 +161,10 @@ impl Sim {
         self.selected_material = *MATERIAL_PALETTE.get(idx).unwrap_or(&MATERIAL_PALETTE[0]);
     }
 
+    pub fn selected_material(&self) -> Material {
+        self.selected_material
+    }
+
     pub fn set_break_block_pressed_true(&mut self) {
         self.break_block_pressed = true;
     }