diff --git a/res/layouts/pages/settings.xml.lua b/res/layouts/pages/settings.xml.lua
index 67039482..fcbe7567 100644
--- a/res/layouts/pages/settings.xml.lua
+++ b/res/layouts/pages/settings.xml.lua
@@ -1,4 +1,4 @@
-function create_setting(id, name, step, track_width, postfix)
+function create_setting(id, name, step, postfix)
     local info = core.get_setting_info(id)
     if postfix == nil then
         postfix = ""
@@ -10,7 +10,7 @@ function create_setting(id, name, step, track_width, postfix)
         min=info.min,
         max=info.max,
         step=step,
-        track_width=track_width,
+        track_width=12,
         postfix=postfix
     }))
 end
@@ -31,10 +31,11 @@ function create_checkbox(id, name)
 end
 
 function on_open()
-    create_setting("chunks.load-distance", "Load Distance", 1, 3)
-    create_setting("chunks.load-speed", "Load Speed", 1, 1)
-    create_setting("graphics.fog-curve", "Fog Curve", 0.1, 2)
-    create_setting("camera.fov", "FOV", 1, 4, "°")
+    create_setting("chunks.load-distance", "Load Distance", 1)
+    create_setting("chunks.load-speed", "Load Speed", 1)
+    create_setting("graphics.fog-curve", "Fog Curve", 0.1)
+    create_setting("graphics.gamma", "Gamma", 0.05)
+    create_setting("camera.fov", "FOV", 1, "°")
     create_checkbox("display.vsync", "V-Sync")
     create_checkbox("graphics.backlight", "Backlight")
     create_checkbox("camera.shaking", "Camera Shaking")
diff --git a/res/texts/ru_RU.txt b/res/texts/ru_RU.txt
index ca6d97f7..38583223 100644
--- a/res/texts/ru_RU.txt
+++ b/res/texts/ru_RU.txt
@@ -41,6 +41,7 @@ settings.Load Distance=Дистанция Загрузки
 settings.Load Speed=Скорость Загрузки
 settings.Fog Curve=Кривая Тумана
 settings.Backlight=Подсветка
+settings.Gamma=Гамма
 settings.V-Sync=Вертикальная Синхронизация
 settings.Camera Shaking=Тряска Камеры
 settings.Master Volume=Общая Громкость
diff --git a/src/assets/assetload_funcs.cpp b/src/assets/assetload_funcs.cpp
index 81514603..fc0bece0 100644
--- a/src/assets/assetload_funcs.cpp
+++ b/src/assets/assetload_funcs.cpp
@@ -101,7 +101,7 @@ assetload::postfunc assetload::atlas(
         atlas->prepare();
         assets->store(atlas, name);
 
-        // FIXME
+        // TODO
         for (const auto& file : names) {
             animation(assets, paths, "textures", file, atlas);
         }
diff --git a/src/files/settings_io.cpp b/src/files/settings_io.cpp
index 46a75f7b..d3ac67ec 100644
--- a/src/files/settings_io.cpp
+++ b/src/files/settings_io.cpp
@@ -28,6 +28,7 @@ SettingsHandler::SettingsHandler(EngineSettings& settings) {
 
     map.emplace("graphics.fog-curve", &settings.graphics.fogCurve);
     map.emplace("graphics.backlight", &settings.graphics.backlight);
+    map.emplace("graphics.gamma", &settings.graphics.gamma);
 }
 
 std::unique_ptr<dynamic::Value> SettingsHandler::getValue(const std::string& name) const {
@@ -128,7 +129,7 @@ toml::Wrapper* create_wrapper(EngineSettings& settings) {
     camera.add("sensitivity", &*settings.camera.sensitivity);
 
     toml::Section& graphics = wrapper->add("graphics");
-    graphics.add("gamma", &settings.graphics.gamma);
+    graphics.add("gamma", &*settings.graphics.gamma);
     graphics.add("fog-curve", &*settings.graphics.fogCurve);
     graphics.add("backlight", &*settings.graphics.backlight);
     graphics.add("frustum-culling", &settings.graphics.frustumCulling);
diff --git a/src/graphics/render/BlocksRenderer.cpp b/src/graphics/render/BlocksRenderer.cpp
index 367d6f39..02860e8d 100644
--- a/src/graphics/render/BlocksRenderer.cpp
+++ b/src/graphics/render/BlocksRenderer.cpp
@@ -9,6 +9,7 @@
 #include "../../voxels/ChunksStorage.h"
 #include "../../lighting/Lightmap.h"
 #include "../../frontend/ContentGfxCache.h"
+#include "../../settings.h"
 
 #include <glm/glm.hpp>
 
@@ -23,7 +24,7 @@ BlocksRenderer::BlocksRenderer(
     size_t capacity,
     const Content* content,
     const ContentGfxCache* cache,
-    const EngineSettings& settings
+    const EngineSettings* settings
 ) : content(content),
     vertexOffset(0),
     indexOffset(0),
@@ -448,7 +449,7 @@ void BlocksRenderer::render(const voxel* voxels) {
 void BlocksRenderer::build(const Chunk* chunk, const ChunksStorage* chunks) {
     this->chunk = chunk;
     voxelsBuffer->setPosition(chunk->x * CHUNK_W - 1, 0, chunk->z * CHUNK_D - 1);
-    chunks->getVoxels(voxelsBuffer, settings.graphics.backlight.get());
+    chunks->getVoxels(voxelsBuffer, settings->graphics.backlight.get());
     overflow = false;
     vertexOffset = 0;
     indexOffset = indexSize = 0;
diff --git a/src/graphics/render/BlocksRenderer.hpp b/src/graphics/render/BlocksRenderer.hpp
index e90ee815..4733de97 100644
--- a/src/graphics/render/BlocksRenderer.hpp
+++ b/src/graphics/render/BlocksRenderer.hpp
@@ -6,7 +6,6 @@
 #include <glm/glm.hpp>
 #include "../../voxels/voxel.h"
 #include "../../typedefs.h"
-#include "../../settings.h"
 
 class Content;
 class Mesh;
@@ -16,6 +15,7 @@ class Chunks;
 class VoxelsVolume;
 class ChunksStorage;
 class ContentGfxCache;
+struct EngineSettings;
 struct UVRegion;
 
 class BlocksRenderer {
@@ -35,7 +35,7 @@ class BlocksRenderer {
 
     const Block* const* blockDefsCache;
     const ContentGfxCache* const cache;
-    const EngineSettings& settings;
+    const EngineSettings* settings;
 
     void vertex(const glm::vec3& coord, float u, float v, const glm::vec4& light);
     void index(int a, int b, int c, int d, int e, int f);
@@ -90,7 +90,7 @@ class BlocksRenderer {
     glm::vec4 pickSoftLight(float x, float y, float z, const glm::ivec3& right, const glm::ivec3& up) const;
     void render(const voxel* voxels);
 public:
-    BlocksRenderer(size_t capacity, const Content* content, const ContentGfxCache* cache, const EngineSettings& settings);
+    BlocksRenderer(size_t capacity, const Content* content, const ContentGfxCache* cache, const EngineSettings* settings);
     virtual ~BlocksRenderer();
 
     void build(const Chunk* chunk, const ChunksStorage* chunks);
diff --git a/src/graphics/render/ChunksRenderer.cpp b/src/graphics/render/ChunksRenderer.cpp
index 2098eb7d..82b7e94a 100644
--- a/src/graphics/render/ChunksRenderer.cpp
+++ b/src/graphics/render/ChunksRenderer.cpp
@@ -4,6 +4,7 @@
 #include "../../graphics/core/Mesh.hpp"
 #include "../../voxels/Chunk.h"
 #include "../../world/Level.h"
+#include "../../settings.h"
 
 #include <iostream>
 #include <glm/glm.hpp>
@@ -20,7 +21,7 @@ public:
     RendererWorker(
         Level* level, 
         const ContentGfxCache* cache, 
-        const EngineSettings& settings
+        const EngineSettings* settings
     ) : level(level), 
         renderer(RENDERER_CAPACITY, level->content, cache, settings)
     {}
@@ -34,7 +35,7 @@ public:
 ChunksRenderer::ChunksRenderer(
     Level* level, 
     const ContentGfxCache* cache, 
-    const EngineSettings& settings
+    const EngineSettings* settings
 ) : level(level),
     threadPool(
         "chunks-render-pool",
diff --git a/src/graphics/render/ChunksRenderer.hpp b/src/graphics/render/ChunksRenderer.hpp
index 8b7860fa..0078c829 100644
--- a/src/graphics/render/ChunksRenderer.hpp
+++ b/src/graphics/render/ChunksRenderer.hpp
@@ -10,13 +10,13 @@
 #include "../../voxels/Block.h"
 #include "../../voxels/ChunksStorage.h"
 #include "../../util/ThreadPool.hpp"
-#include "../../settings.h"
 
 class Mesh;
 class Chunk;
 class Level;
 class BlocksRenderer;
 class ContentGfxCache;
+struct EngineSettings;
 
 struct RendererResult {
     glm::ivec2 key;
@@ -34,7 +34,7 @@ public:
     ChunksRenderer(
         Level* level, 
         const ContentGfxCache* cache, 
-        const EngineSettings& settings
+        const EngineSettings* settings
     );
     virtual ~ChunksRenderer();
 
diff --git a/src/graphics/render/WorldRenderer.cpp b/src/graphics/render/WorldRenderer.cpp
index 90f7dcfb..53de1071 100644
--- a/src/graphics/render/WorldRenderer.cpp
+++ b/src/graphics/render/WorldRenderer.cpp
@@ -45,7 +45,7 @@ WorldRenderer::WorldRenderer(Engine* engine, LevelFrontend* frontend, Player* pl
     renderer = std::make_unique<ChunksRenderer>(
         level,
         frontend->getContentGfxCache(),
-        engine->getSettings()
+        &engine->getSettings()
     );
     batch3d = std::make_unique<Batch3D>(4096);
 
@@ -154,7 +154,7 @@ void WorldRenderer::renderLevel(
     shader->use();
     shader->uniformMatrix("u_proj", camera->getProjection());
     shader->uniformMatrix("u_view", camera->getView());
-    shader->uniform1f("u_gamma", settings.graphics.gamma);
+    shader->uniform1f("u_gamma", settings.graphics.gamma.get());
     shader->uniform1f("u_fogFactor", fogFactor);
     shader->uniform1f("u_fogCurve", settings.graphics.fogCurve.get());
     shader->uniform1f("u_dayTime", level->getWorld()->daytime);
diff --git a/src/graphics/ui/elements/TrackBar.cpp b/src/graphics/ui/elements/TrackBar.cpp
index 2dfae299..18e290b9 100644
--- a/src/graphics/ui/elements/TrackBar.cpp
+++ b/src/graphics/ui/elements/TrackBar.cpp
@@ -33,12 +33,11 @@ void TrackBar::draw(const GfxContext* pctx, Assets* assets) {
     batch->setColor(hover ? hoverColor : color);
     batch->rect(pos.x, pos.y, size.x, size.y);
 
-    float width = size.x;
-    float t = (value - min) / (max-min+trackWidth*step);
+    float width = size.x - trackWidth;
+    float t = (value - min) / (max-min);
 
     batch->setColor(trackColor);
-    int actualWidth = size.x * (trackWidth / (max-min+trackWidth*step) * step);
-    batch->rect(pos.x + width * t, pos.y, actualWidth, size.y);
+    batch->rect(pos.x + width * t, pos.y, trackWidth, size.y);
 }
 
 void TrackBar::setSupplier(doublesupplier supplier) {
@@ -51,9 +50,9 @@ void TrackBar::setConsumer(doubleconsumer consumer) {
 
 void TrackBar::mouseMove(GUI*, int x, int y) {
     glm::vec2 pos = calcPos();
-    value = x;
+    value = x - trackWidth/2;
     value -= pos.x;
-    value = (value)/size.x * (max-min+trackWidth*step);
+    value = (value)/(size.x-trackWidth) * (max-min);
     value += min;
     value = (value > max) ? max : value;
     value = (value < min) ? min : value;
diff --git a/src/settings.h b/src/settings.h
index b9bc3433..244d38bf 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -60,7 +60,7 @@ struct GraphicsSettings {
     /// @brief Fog opacity is calculated as `pow(depth*k, fogCurve)` where k depends on chunksLoadDistance.
     /// 1.0 is linear, 2.0 is quadratic
     NumberSetting fogCurve {1.6f, 1.0f, 6.0f};
-    float gamma = 1.0f;
+    NumberSetting gamma = {1.0f, 0.5f, 2.0f};
     /// @brief Enable blocks backlight to prevent complete darkness
     FlagSetting backlight = {true};
     /// @brief Enable chunks frustum culling