diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index afeed7572..d13479cd3 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -32,18 +32,18 @@ jobs:
           VCPKG_ROOT: ${{ github.workspace }}/vcpkg
         run: |
           cmake --preset default-vs-msvc-windows
-          cmake --build --preset default-vs-msvc-windows --config Release
+          cmake --build --preset default-vs-msvc-windows --config RelWithDebInfo
       - name: Run tests
         run: ctest --preset default-vs-msvc-windows
       - name: Run engine tests
         run: |
-            build/vctest/Release/vctest.exe -e build/Release/VoxelEngine.exe -d dev/tests -u build
+            build/vctest/RelWithDebInfo/vctest.exe -e build/RelWithDebInfo/VoxelEngine.exe -d dev/tests -u build
         timeout-minutes: 1
       - name: Package for Windows
         run: |
           mkdir packaged
-          cp -r build/Release/* packaged/
-          cp build/vctest/Release/vctest.exe packaged/
+          cp -r build/RelWithDebInfo/* packaged/
+          cp build/vctest/RelWithDebInfo/vctest.exe packaged/
           cp C:/Windows/System32/msvcp140.dll packaged/msvcp140.dll
           mv packaged/VoxelEngine.exe packaged/VoxelCore.exe
         working-directory: ${{ github.workspace }}
diff --git a/src/frontend/debug_panel.cpp b/src/frontend/debug_panel.cpp
index 5dc70af0d..a9036b7ca 100644
--- a/src/frontend/debug_panel.cpp
+++ b/src/frontend/debug_panel.cpp
@@ -1,27 +1,34 @@
+#include <bitset>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <utility>
+
 #include "audio/audio.hpp"
+#include "constants.hpp"
+#include "content/Content.hpp"
 #include "delegates.hpp"
 #include "engine/Engine.hpp"
-#include "settings.hpp"
-#include "hud.hpp"
-#include "content/Content.hpp"
 #include "graphics/core/Mesh.hpp"
-#include "graphics/ui/elements/CheckBox.hpp"
-#include "graphics/ui/elements/TextBox.hpp"
-#include "graphics/ui/elements/TrackBar.hpp"
-#include "graphics/ui/elements/InputBindBox.hpp"
-#include "graphics/ui/GUI.hpp"
-#include "graphics/render/WorldRenderer.hpp"
-#include "graphics/render/ParticlesRenderer.hpp"
 #include "graphics/render/ChunksRenderer.hpp"
 #include "graphics/render/DebugLinesRenderer.hpp"
+#include "graphics/render/ParticlesRenderer.hpp"
+#include "graphics/render/WorldRenderer.hpp"
+#include "graphics/ui/GUI.hpp"
+#include "graphics/ui/elements/CheckBox.hpp"
+#include "graphics/ui/elements/InputBindBox.hpp"
+#include "graphics/ui/elements/TextBox.hpp"
+#include "graphics/ui/elements/TrackBar.hpp"
+#include "hud.hpp"
 #include "logic/scripting/scripting.hpp"
 #include "network/Network.hpp"
+#include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
+#include "objects/EntityDef.hpp"
 #include "objects/Player.hpp"
 #include "objects/Players.hpp"
-#include "objects/Entities.hpp"
-#include "objects/EntityDef.hpp"
-#include "objects/Entity.hpp"
 #include "physics/Hitbox.hpp"
+#include "settings.hpp"
 #include "util/stringutil.hpp"
 #include "voxels/Block.hpp"
 #include "voxels/Chunk.hpp"
@@ -30,12 +37,6 @@
 #include "world/Level.hpp"
 #include "world/World.hpp"
 
-#include <string>
-#include <memory>
-#include <sstream>
-#include <bitset>
-#include <utility>
-
 using namespace gui;
 
 static std::shared_ptr<Label> create_label(GUI& gui, wstringsupplier supplier) {
@@ -54,10 +55,7 @@ static bool should_keep_previous(GUI& gui) {
 // TODO: move to xml finally
 // TODO: move to xml finally
 std::shared_ptr<UINode> create_debug_panel(
-    Engine& engine, 
-    Level& level, 
-    Player& player,
-    bool allowDebugCheats
+    Engine& engine, Level& level, Player& player, bool allowDebugCheats
 ) {
     auto network = engine.getNetwork();
     auto& gui = engine.getGUI();
@@ -70,22 +68,58 @@ std::shared_ptr<UINode> create_debug_panel(
     static int fps = 0;
     static int fpsMin = fps;
     static int fpsMax = fps;
+    static int framesCount = 0;
+    static float deltaSum = 0.;
+    static int drawCallsSum = 0;
     static std::wstring fpsString = L"";
 
+    static int drawCalls = 0;
+    static int drawCallsMin = drawCalls;
+    static int drawCallsMax = drawCalls;
+    static std::wstring drawCallsAvgString = L"";
+    static std::wstring drawCallsMinMaxString = L"";
+
     static size_t lastTotalDownload = 0;
     static size_t lastTotalUpload = 0;
     static std::wstring netSpeedString = L"";
 
     panel->listenInterval(0.016f, [&engine]() {
-        fps = 1.0f / engine.getTime().getDelta();
+        double delta = engine.getTime().getDelta();
+        fps = 1.0f / delta;
         fpsMin = std::min(fps, fpsMin);
         fpsMax = std::max(fps, fpsMax);
+        drawCallsMin = std::min(drawCalls, drawCallsMin);
+        drawCallsMax = std::max(drawCalls, drawCallsMax);
+
+        framesCount++;
+        deltaSum += delta;
+        drawCallsSum += drawCalls;
     });
 
     panel->listenInterval(0.5f, []() {
-        fpsString = std::to_wstring(fpsMax)+L" / "+std::to_wstring(fpsMin);
+        if (framesCount < 1) {
+            return;
+        }
+        int avgFps = glm::round(framesCount / deltaSum);
+        int avgDrawCalls = drawCallsSum / framesCount;
+        framesCount = 0;
+        deltaSum = 0.0;
+        drawCallsSum = 0;
+
+        fpsString = L"fps: " + std::to_wstring(avgFps) + L" / " +
+               std::to_wstring(fpsMin) + L" / " +
+               std::to_wstring(fpsMax);
+        drawCallsAvgString = std::to_wstring(avgDrawCalls);
+        drawCallsMinMaxString = L"    min/max: " +
+               std::to_wstring(drawCallsMin) +
+               L" / " +
+               std::to_wstring(drawCallsMax);
+
         fpsMin = fps;
         fpsMax = fps;
+
+        drawCallsMin = drawCalls;
+        drawCallsMax = drawCalls;
     });
 
     if (network) {
@@ -93,30 +127,37 @@ std::shared_ptr<UINode> create_debug_panel(
             size_t totalDownload = network->getTotalDownload();
             size_t totalUpload = network->getTotalUpload();
             netSpeedString =
-                L"download: " + std::to_wstring(totalDownload - lastTotalDownload) +
-                L" B/s upload: " + std::to_wstring(totalUpload - lastTotalUpload) +
-                L" B/s";
+                L"download: " +
+                std::to_wstring(totalDownload - lastTotalDownload) +
+                L" B/s upload: " +
+                std::to_wstring(totalUpload - lastTotalUpload) + L" B/s";
             lastTotalDownload = totalDownload;
             lastTotalUpload = totalUpload;
         });
     }
 
-    panel->add(create_label(gui, []() { return L"fps: "+fpsString;}));
-   
+    panel->add(create_label(gui, []() { return fpsString; }));
     panel->add(create_label(gui, []() {
         return L"meshes: " + std::to_wstring(MeshStats::meshesCount);
     }));
     panel->add(create_label(gui, []() {
-        int drawCalls = MeshStats::drawCalls;
+        drawCalls = MeshStats::drawCalls;
         MeshStats::drawCalls = 0;
-        return L"draw-calls: " + std::to_wstring(drawCalls);
+        auto drawCallsStr = std::to_wstring(drawCalls);
+        drawCallsStr.resize(6, ' ');
+        return L"draw-calls: " + drawCallsStr +
+               L" (avg: " + drawCallsAvgString + L")";
     }));
     panel->add(create_label(gui, []() {
-        return L"speakers: " + std::to_wstring(audio::count_speakers())+
+        return drawCallsMinMaxString;
+    }));
+    panel->add(create_label(gui, []() {
+        return L"speakers: " + std::to_wstring(audio::count_speakers()) +
                L" streams: " + std::to_wstring(audio::count_streams());
     }));
     panel->add(create_label(gui, []() {
-        return L"lua-stack: " + std::to_wstring(scripting::get_values_on_stack());
+        return L"lua-stack: " +
+               std::to_wstring(scripting::get_values_on_stack());
     }));
     if (network) {
         panel->add(create_label(gui, []() { return netSpeedString; }));
@@ -124,7 +165,7 @@ std::shared_ptr<UINode> create_debug_panel(
     panel->add(create_label(gui, [&engine]() {
         auto& settings = engine.getSettings();
         bool culling = settings.graphics.frustumCulling.get();
-        return L"frustum-culling: "+std::wstring(culling ? L"on" : L"off");
+        return L"frustum-culling: " + std::wstring(culling ? L"on" : L"off");
     }));
     panel->add(create_label(gui, [=]() {
         return L"particles: " +
@@ -133,16 +174,16 @@ std::shared_ptr<UINode> create_debug_panel(
                std::to_wstring(ParticlesRenderer::aliveEmitters);
     }));
     panel->add(create_label(gui, [&]() {
-        return L"chunks: "+std::to_wstring(level.chunks->size())+
-               L" visible: "+std::to_wstring(ChunksRenderer::visibleChunks);
+        return L"chunks: " + std::to_wstring(level.chunks->size()) +
+               L" visible: " + std::to_wstring(ChunksRenderer::visibleChunks);
     }));
     panel->add(create_label(gui, [&]() {
-        return L"entities: "+std::to_wstring(level.entities->size())+L" next: "+
-               std::to_wstring(level.entities->peekNextID());
+        return L"entities: " + std::to_wstring(level.entities->size()) +
+               L" next: " + std::to_wstring(level.entities->peekNextID());
     }));
     panel->add(create_label(gui, [&]() {
-        return L"players: "+std::to_wstring(level.players->size())+L" local: "+
-               std::to_wstring(player.getId());
+        return L"players: " + std::to_wstring(level.players->size()) +
+               L" local: " + std::to_wstring(player.getId());
     }));
     panel->add(create_label(gui, [&]() -> std::wstring {
         // TODO: move to xml finally
@@ -156,14 +197,13 @@ std::shared_ptr<UINode> create_debug_panel(
         }
 
         std::wstringstream stream;
-        stream << "r:" << vox.state.rotation << " s:"
-                << std::bitset<3>(vox.state.segment) << " u:"
-                << std::bitset<8>(vox.state.userbits);
+        stream << "r:" << vox.state.rotation
+               << " s:" << std::bitset<3>(vox.state.segment)
+               << " u:" << std::bitset<8>(vox.state.userbits);
         if (vox.id == BLOCK_VOID) {
             return L"block: -";
         } else {
-            return L"block: "+std::to_wstring(vox.id)+
-                   L" "+stream.str();
+            return L"block: " + std::to_wstring(vox.id) + L" " + stream.str();
         }
     }));
     panel->add(create_label(gui, [&]() -> std::wstring {
@@ -181,9 +221,9 @@ std::shared_ptr<UINode> create_debug_panel(
         if (vox.id == BLOCK_VOID) {
             return L"x: - y: - z: -";
         }
-        return L"x: " + std::to_wstring(selection.actualPosition.x) +
-               L" y: " + std::to_wstring(selection.actualPosition.y) +
-               L" z: " + std::to_wstring(selection.actualPosition.z);
+        return L"x: " + std::to_wstring(selection.actualPosition.x) + L" y: " +
+               std::to_wstring(selection.actualPosition.y) + L" z: " +
+               std::to_wstring(selection.actualPosition.z);
     }));
     panel->add(create_label(gui, [&]() {
         // TODO: move to xml finally
@@ -199,13 +239,13 @@ std::shared_ptr<UINode> create_debug_panel(
         if (eid == ENTITY_NONE) {
             return std::wstring {L"entity: -"};
         } else if (auto entity = level.entities->get(eid)) {
-            return L"entity: "+util::str2wstr_utf8(entity->getDef().name)+
-                   L" uid: "+std::to_wstring(entity->getUID());
+            return L"entity: " + util::str2wstr_utf8(entity->getDef().name) +
+                   L" uid: " + std::to_wstring(entity->getUID());
         } else {
             return std::wstring {L"entity: error (invalid UID)"};
         }
     }));
-    panel->add(create_label(gui, [&](){
+    panel->add(create_label(gui, [&]() {
         auto indices = level.content.getIndices();
         if (auto def = indices->blocks.get(player.selection.vox.id)) {
             return L"name: " + util::str2wstr_utf8(def->name);
@@ -213,8 +253,8 @@ std::shared_ptr<UINode> create_debug_panel(
             return std::wstring {L"name: void"};
         }
     }));
-    panel->add(create_label(gui, [&](){
-        return L"seed: "+std::to_wstring(level.getWorld()->getSeed());
+    panel->add(create_label(gui, [&]() {
+        return L"seed: " + std::to_wstring(level.getWorld()->getSeed());
     }));
 
     for (int ax = 0; ax < 3; ax++) {
@@ -240,7 +280,7 @@ std::shared_ptr<UINode> create_debug_panel(
                     glm::vec3 position = player.getPosition();
                     position[ax] = std::stoi(text);
                     player.teleport(position);
-                } catch (std::exception& _){
+                } catch (std::exception& _) {
                 }
             });
         }
@@ -255,25 +295,25 @@ std::shared_ptr<UINode> create_debug_panel(
         panel->add(sub);
     }
     auto& worldInfo = level.getWorld()->getInfo();
-    panel->add(create_label(gui, [&](){
+    panel->add(create_label(gui, [&]() {
         int hour, minute, second;
         timeutil::from_value(worldInfo.daytime, hour, minute, second);
 
-        std::wstring timeString = 
-                util::lfill(std::to_wstring(hour), 2, L'0') + L":" +
-                util::lfill(std::to_wstring(minute), 2, L'0');
-        return L"time: "+timeString;
+        std::wstring timeString = util::lfill(std::to_wstring(hour), 2, L'0') +
+                                  L":" +
+                                  util::lfill(std::to_wstring(minute), 2, L'0');
+        return L"time: " + timeString;
     }));
     if (allowDebugCheats) {
         auto bar = std::make_shared<TrackBar>(gui, 0.0f, 1.0f, 1.0f, 0.005f, 8);
-        bar->setSupplier([&]() {return worldInfo.daytime;});
-        bar->setConsumer([&](double val) {worldInfo.daytime = val;});
+        bar->setSupplier([&]() { return worldInfo.daytime; });
+        bar->setConsumer([&](double val) { worldInfo.daytime = val; });
         panel->add(bar);
     }
     if (allowDebugCheats) {
         auto bar = std::make_shared<TrackBar>(gui, 0.0f, 1.0f, 0.0f, 0.005f, 8);
-        bar->setSupplier([&]() {return worldInfo.fog;});
-        bar->setConsumer([&](double val) {worldInfo.fog = val;});
+        bar->setSupplier([&]() { return worldInfo.fog; });
+        bar->setConsumer([&](double val) { worldInfo.fog = val; });
         panel->add(bar);
     }
     {
@@ -304,9 +344,7 @@ std::shared_ptr<UINode> create_debug_panel(
         auto checkbox = std::make_shared<FullCheckBox>(
             gui, L"Show Paths", glm::vec2(400, 24)
         );
-        checkbox->setSupplier([=]() {
-            return DebugLinesRenderer::showPaths;
-        });
+        checkbox->setSupplier([=]() { return DebugLinesRenderer::showPaths; });
         checkbox->setConsumer([=](bool checked) {
             DebugLinesRenderer::showPaths = checked;
         });
@@ -316,9 +354,7 @@ std::shared_ptr<UINode> create_debug_panel(
         auto checkbox = std::make_shared<FullCheckBox>(
             gui, L"Show Generator Minimap", glm::vec2(400, 24)
         );
-        checkbox->setSupplier([=]() {
-            return Hud::showGeneratorMinimap;
-        });
+        checkbox->setSupplier([=]() { return Hud::showGeneratorMinimap; });
         checkbox->setConsumer([=](bool checked) {
             Hud::showGeneratorMinimap = checked;
         });