diff --git a/src/balancing/InspectWindow.cpp b/src/balancing/InspectWindow.cpp
index 468ebae..fa2b307 100644
--- a/src/balancing/InspectWindow.cpp
+++ b/src/balancing/InspectWindow.cpp
@@ -10,7 +10,7 @@
 
 #include "ArenaView.h"
 
-const double InspectWindow::kSpeeds[]   = { 0.0, 0.5, 1.0, 2.0, 4.0 };
+const double InspectWindow::kSpeeds[]   = { 0.0, 0.5, 1.0, 2.0, 10.0 };
 const int    InspectWindow::kSpeedCount = 5;
 
 InspectWindow::InspectWindow(ArenaSimulation* sim, const VisualsConfig* visuals,
@@ -42,7 +42,7 @@ InspectWindow::InspectWindow(ArenaSimulation* sim, const VisualsConfig* visuals,
 
         headerLayout->addStretch();
 
-        const char* labels[] = { "0x", "0.5x", "1x", "2x", "4x" };
+        const char* labels[] = { "0x", "0.5x", "1x", "2x", "10x" };
         QSignalMapper* mapper = new QSignalMapper(this);
         for (int i = 0; i < kSpeedCount; ++i)
         {
diff --git a/src/ui/GameWorldView.cpp b/src/ui/GameWorldView.cpp
index ab0f388..f4d829b 100644
--- a/src/ui/GameWorldView.cpp
+++ b/src/ui/GameWorldView.cpp
@@ -481,7 +481,7 @@ std::optional<QVector2D> GameWorldView::entityPosition(entt::entity entity) cons
 
 void GameWorldView::stepSpeed(int delta)
 {
-    const double kSpeeds[] = { 0.0, 0.5, 1.0, 2.0, 4.0 };
+    const double kSpeeds[] = { 0.0, 0.5, 1.0, 2.0, 10.0 };
     const int kCount = 5;
     int current = 2;
     for (int i = 0; i < kCount; ++i)
diff --git a/src/ui/HeaderBar.cpp b/src/ui/HeaderBar.cpp
index ed342a9..35dcde3 100644
--- a/src/ui/HeaderBar.cpp
+++ b/src/ui/HeaderBar.cpp
@@ -10,7 +10,7 @@
 
 #include "Tick.h"
 
-const double HeaderBar::kSpeeds[]   = { 0.0, 0.5, 1.0, 2.0, 4.0 };
+const double HeaderBar::kSpeeds[]   = { 0.0, 0.5, 1.0, 2.0, 10.0 };
 const int    HeaderBar::kSpeedCount = 5;
 
 HeaderBar::HeaderBar(QWidget* parent)
@@ -28,7 +28,7 @@ HeaderBar::HeaderBar(QWidget* parent)
     layout->addStretch();
     layout->addWidget(m_bossLabel);
 
-    const char* labels[] = { "0x", "0.5x", "1x", "2x", "4x" };
+    const char* labels[] = { "0x", "0.5x", "1x", "2x", "10x" };
     QSignalMapper* mapper = new QSignalMapper(this);
     for (int i = 0; i < kSpeedCount; ++i)
     {