diff --git a/lib/Board.cpp b/lib/Board.cpp
index 1d25d29..658689a 100644
--- a/lib/Board.cpp
+++ b/lib/Board.cpp
@@ -43,11 +43,11 @@ std::array<std::array<int, COLUMNS>, ROWS> Board::board = {{
   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // 30
 }};
 
-bool Board::isWalkableForPacMan(Position point, float d, Direction direction) {
+bool Board::isWalkableForPacMan(Position point, double d, Direction direction) {
   return isWalkable(point, d, direction, true);
 }
 
-bool Board::isWalkableForGhost(Position point, float d, Direction direction) {
+bool Board::isWalkableForGhost(Position point, double d, Direction direction) {
   return isWalkable(point, d, direction, false);
 }
 
@@ -63,11 +63,11 @@ bool Board::isInPen(Position point) {
   return board[int(point.y)][int(point.x)] == int(Cell::pen);
 }
 
-bool Board::isWalkable(Position point, float position_delta, Direction direction, bool pacman) {
+bool Board::isWalkable(Position point, double position_delta, Direction direction, bool pacman) {
   if (point.x <= 0 || point.x >= COLUMNS - 1)
     return true;
 
-  auto cellAtPosition = [&](Position point, float position_delta, Direction direction) {
+  auto cellAtPosition = [&](Position point, double position_delta, Direction direction) {
     switch (direction) {
       case Direction::LEFT:
         return board[int(point.y)][int(point.x - position_delta)];
diff --git a/lib/Board.hpp b/lib/Board.hpp
index c0f01e8..d60bbdb 100644
--- a/lib/Board.hpp
+++ b/lib/Board.hpp
@@ -22,8 +22,8 @@ public:
     pen = 5,
   };
 
-  [[nodiscard]] static bool isWalkableForPacMan(Position point, float d, Direction direction) ;
-  [[nodiscard]] static bool isWalkableForGhost(Position point, float d, Direction direction) ;
+  [[nodiscard]] static bool isWalkableForPacMan(Position point, double d, Direction direction) ;
+  [[nodiscard]] static bool isWalkableForGhost(Position point, double d, Direction direction) ;
 
   [[nodiscard]] static bool isWalkableForGost(Position point, Position origin, bool isEyes) ;
   [[nodiscard]] static bool isWalkable(Position point) ;
@@ -50,7 +50,7 @@ public:
   static Position clydeScatterTarget() { return { 0, 30 }; }
 
 private:
-  [[nodiscard]] static bool isWalkable(Position point, float d, Direction direction, bool pacman) ;
+  [[nodiscard]] static bool isWalkable(Position point, double d, Direction direction, bool pacman) ;
   static std::array<
     std::array<int, COLUMNS>,
     ROWS>
diff --git a/lib/Canvas.cpp b/lib/Canvas.cpp
index 059670b..0c63d34 100644
--- a/lib/Canvas.cpp
+++ b/lib/Canvas.cpp
@@ -60,7 +60,7 @@ void Canvas::renderPellets(const Pellets & pellets) {
   Sprite pellet = getSprite(pellets.currentSprite());
   std::vector<PositionInt> pelletPositions = pellets.currentPositions();
   for (const auto & pos : pelletPositions) {
-    renderSprite(pellet, { float(pos.x), float(pos.y) });
+    renderSprite(pellet, { double(pos.x), double(pos.y) });
   }
 }
 
@@ -68,7 +68,7 @@ void Canvas::renderSuperPellets(const SuperPellets & superPellets) {
   Sprite pellet = getSprite(superPellets.currentSprite());
   std::vector<PositionInt> superPelletPositions = superPellets.currentPositions();
   for (const auto & pos : superPelletPositions) {
-    renderSprite(pellet, { float(pos.x), float(pos.y) });
+    renderSprite(pellet, { double(pos.x), double(pos.y) });
   }
 }
 
diff --git a/lib/Ghost.cpp b/lib/Ghost.cpp
index fc0640e..cfb06eb 100644
--- a/lib/Ghost.cpp
+++ b/lib/Ghost.cpp
@@ -81,7 +81,7 @@ bool Ghost::isInPen(const Board & board) const {
 void Ghost::updatePosition(std::chrono::milliseconds time_delta, const Board & board) {
   updateDirection(board);
 
-  float position_delta = (0.004 * time_delta.count()) * speed();
+  double position_delta = (0.004 * time_delta.count()) * speed();
 
   switch (direction) {
     case Direction::NONE:
diff --git a/lib/PacMan.cpp b/lib/PacMan.cpp
index c3e62d1..dc3f748 100644
--- a/lib/PacMan.cpp
+++ b/lib/PacMan.cpp
@@ -61,7 +61,7 @@ void PacMan::updateAnimationPosition(std::chrono::milliseconds time_delta, bool
 }
 
 void PacMan::updateMazePosition(std::chrono::milliseconds time_delta, const Board & board) {
-  float position_delta = 0.004 * time_delta.count();
+  double position_delta = 0.004 * time_delta.count();
 
   // Handle teleport
   if (pos.x >= COLUMNS - 1 && direction == Direction::RIGHT) {
diff --git a/lib/PacManAnimation.cpp b/lib/PacManAnimation.cpp
index cabe5b0..8448480 100644
--- a/lib/PacManAnimation.cpp
+++ b/lib/PacManAnimation.cpp
@@ -24,7 +24,7 @@ void PacManAnimation::updateAnimationPosition(std::chrono::milliseconds time_del
   if (dead && animation_position >= 11)
     return;
 
-  animation_position_delta += (0.02) * float(time_delta.count());
+  animation_position_delta += (0.02) * double(time_delta.count());
   animation_position = int(animation_position + animation_position_delta);
 
   if (!dead)
diff --git a/lib/PacManAnimation.hpp b/lib/PacManAnimation.hpp
index a1f683a..bd00ffb 100644
--- a/lib/PacManAnimation.hpp
+++ b/lib/PacManAnimation.hpp
@@ -18,7 +18,7 @@ public:
 
 private:
   uint8_t animation_position = 0;
-  float animation_position_delta = 0.0;
+  double animation_position_delta = 0.0;
   const PositionInt down_animation[4]{ Atlas::pacman_down_wide, Atlas::pacman_down_narrow, Atlas::pacman_closed, Atlas::pacman_down_narrow };
   const PositionInt left_animation[4]{ Atlas::pacman_left_wide, Atlas::pacman_left_narrow, Atlas::pacman_closed, Atlas::pacman_left_narrow };
   const PositionInt right_animation[4]{ Atlas::pacman_right_wide, Atlas::pacman_right_narrow, Atlas::pacman_closed, Atlas::pacman_right_narrow };
diff --git a/lib/Position.hpp b/lib/Position.hpp
index cf089a9..c35fe9b 100644
--- a/lib/Position.hpp
+++ b/lib/Position.hpp
@@ -3,8 +3,8 @@
 #include <SFML/Graphics.hpp>
 
 struct Position {
-  float x;
-  float y;
+  double x;
+  double y;
 };
 
 struct PositionInt {