diff --git a/examples/quickwings/assets/blank.png b/examples/quickwings/assets/blank.png
deleted file mode 100644
index 5c1b88f..0000000
Binary files a/examples/quickwings/assets/blank.png and /dev/null differ
diff --git a/examples/quickwings/quickwings.cpp b/examples/quickwings/quickwings.cpp
index 45d1446..875f838 100644
--- a/examples/quickwings/quickwings.cpp
+++ b/examples/quickwings/quickwings.cpp
@@ -5,6 +5,8 @@
  *
  */
 
+#include <bits/iterator_concepts.h>
+#include <cstdio>
 #include <cstdlib>
 #include <ostream>
 #include <paradiso/bitmap.hpp>
@@ -29,6 +31,12 @@
 
 const int frame_rate = 60;
 bool game_over = false;
+float risky_pos_x;
+float risky_pos_max_x;
+float risky_pos_bottom_y;
+float risky_pos_top_y;
+float risky_pos_bottom_max_y;
+float risky_pos_top_max_y;
 
 struct Background {
     paradiso::Sprite backgroundLeft;
@@ -84,9 +92,11 @@ struct Pipe {
     paradiso::Renderer renderer1{};
     paradiso::Renderer renderer2{};
 
-    int pipe_spawn_rand_int = rand() % 80 + 25;
+    int pipe_spawn_rand_int = rand() % 90 + 25;
     float pipe_spawn_rand = float(pipe_spawn_rand_int) / 100;
 
+    bool pos_reset = false;
+
     Pipe() {
         auto pipe_image = paradiso::BitmapIO::get().load("pipe-green.png");
 
@@ -97,10 +107,43 @@ struct Pipe {
             .rotation = 3.1415926f};
         pipe_bottom = paradiso::Sprite{
             .bitmap = pipe_image,
-            .pivot = {paradiso::Vector2<float>::make(0.0f, pipe_spawn_rand - 1.6f)},
+            .pivot = {paradiso::Vector2<float>::make(0.0f, pipe_spawn_rand - 1.5f)},
             .scale = {paradiso::Vector2<float>::make(((500.0f - (500.0f - 52.0f)) / 500.0f) * 2.25f, ((700.0f - (700.0f - 320.0f)) / 700.0f) * 2.25f)}};
     }
 
+    void update() {
+        pipe_spawn_rand_int = rand() % 90 + 20;
+        pipe_spawn_rand = float(pipe_spawn_rand_int) / 100;
+
+        pipe_top.pivot.x() -= 0.02f;
+        pipe_bottom.pivot.x() -= 0.02f;
+
+        risky_pos_x = pipe_top.pivot.x();
+        risky_pos_max_x =
+            pipe_top.pivot.x() + ((500.0f - (500.0f - 52.0f)) / 500.0f) * 2.25f;
+
+        risky_pos_top_y = pipe_top.pivot.y();
+        risky_pos_top_max_y = pipe_top.pivot.y() + 10.0f;
+
+        // std::cout << risky_pos_top_x << std::endl;
+        // std::cout << risky_pos_top_max_x << std::endl;
+        
+        if (pipe_top.pivot.x() <= -1.4f || pipe_bottom.pivot.x() <= -1.4f) {
+            pos_reset = true;
+
+            if (pos_reset == true) {
+                pipe_top.pivot.y() = pipe_spawn_rand + 1.0f;
+                pipe_bottom.pivot.y() = pipe_spawn_rand - 1.5;
+
+                pos_reset = false;
+            }
+
+            pipe_top.pivot.x() = 1.4f;
+            pipe_bottom.pivot.x() = 1.4f;
+        }
+
+    }
+
     void draw(const paradiso::Shader& shader) {
         shader.set_uniform("pivot", pipe_bottom.pivot);
         shader.set_uniform("scale", pipe_bottom.scale);
@@ -137,7 +180,7 @@ struct Grass {
             if (sprite->pivot.x() <= -1.0f) {
                 sprite->pivot.x() += 2.0f;
             }
-            sprite->pivot.x() -= 0.03f;
+            sprite->pivot.x() -= 0.02f;
             shader.set_uniform("pivot", sprite->pivot);
             shader.set_uniform("scale", sprite->scale);
             shader.set_uniform("rotation", sprite->rotation);
@@ -158,10 +201,10 @@ struct QuickWings {
     unsigned int flapCounter = 0; // How many ticks since last flap
 
     float velocity = 0.0f;
-    const float max_velocity = 0.04f;
+    const float max_velocity = 0.02f;
 
-    const float gravity = -0.004f;
-    const float move_up_velocity = 0.04f;
+    const float gravity = -0.002f;
+    const float move_up_velocity = 0.02f;
 
     bool move_up = false;
     bool paused = true;
@@ -231,8 +274,9 @@ struct QuickWings {
         }
         
         // Stop game
-        if (paused)
+        if (paused) {
             return;
+        }
         else {    
            // Apply gravity
            velocity += gravity;
@@ -262,6 +306,19 @@ struct QuickWings {
             // Update rotation
             rotation = velocity * 10.0f;
         }
+
+        std::cout << risky_pos_top_y << std::endl;
+        std::cout << risky_pos_top_max_y << std::endl;
+
+        std::cout << pos << std::endl;
+        std::cout << "\n\n" << std::endl;
+
+        if (risky_pos_x <= 0.0f && risky_pos_max_x >= 0.0f) {
+            if (pos >= risky_pos_top_y && pos <= risky_pos_top_max_y) {
+                game_over = true;
+                std::cout << "collision!" << std::endl;
+            }
+        }
     }
 
     // keyboard handler
@@ -402,7 +459,9 @@ auto main() -> int {
         ctx.clear();
         auto t1 = std::chrono::high_resolution_clock::now();
 
-        // Keyboard and state change
+        // Keyboard and state change + update
+        pipe.update();
+
         quickwingsapp.on_keyboard(w.keyboard_input());
         quickwingsapp.update();