diff --git a/src/game_data.rs b/src/game_data.rs
index 05173a3..629cf43 100644
--- a/src/game_data.rs
+++ b/src/game_data.rs
@@ -14,7 +14,8 @@ pub struct GameData {
     pub mino_rotation: MinoRotation,
     pub field_size: (usize, usize),
     pub show_ghost: bool,
-    pub hold_mino: Option<Mino>
+    pub hold_mino: Option<Mino>,
+    pub score: i64,
 }
 
 impl GameData {
@@ -91,7 +92,8 @@ impl GameData {
             mino_rotation: MinoRotation::Up,
             field_size,
             show_ghost,
-            hold_mino: None
+            hold_mino: None,
+            score: 0,
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 5bc60c0..e39fef6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -270,6 +270,7 @@ fn main() {
 
         {
             let mut rustris = rustris.lock().unwrap();
+            let mut clear_lines = 0;
             for x in 0..(rustris.game_data.field_size.1) {
                 let mut air = false;
                 for y in 0..(rustris.game_data.field_size.0) {
@@ -279,6 +280,7 @@ fn main() {
                 }
                 
                 if !air {
+                    clear_lines += 1;
                     for y in 0..(rustris.game_data.field_size.0) {
                         rustris.game_data.field[x][y] = Block::Air;
                     }
@@ -293,6 +295,8 @@ fn main() {
                     }
                 }
             }
+
+            rustris.game_data.score += clear_lines * 100;
         }
 
         {
@@ -314,6 +318,11 @@ fn main() {
                     cursor::MoveTo(console_size.0 / 2, console_size.1 / 2),
                     Print("Game Over")
                 ).unwrap();
+                execute!(
+                    stdout,
+                    cursor::MoveTo(console_size.0 / 2, console_size.1 / 2 + 1),
+                    Print(format!("Score : {}", rustris.game_data.score))
+                ).unwrap();
 
                 thread::sleep(Duration::from_secs(3));
 
@@ -340,7 +349,7 @@ fn main() {
     }
 
     *exit_flag.lock().unwrap() = true;
-    frame_thread.join();
+    frame_thread.join().unwrap();
     main();
 }
 
diff --git a/src/rustris.rs b/src/rustris.rs
index c0fc0f2..f92379b 100644
--- a/src/rustris.rs
+++ b/src/rustris.rs
@@ -205,7 +205,7 @@ impl Rustris {
                 print_buffer += "\n";
             }   
         }
-        print_buffer += "　　　　　Z ホールド, X 左回転, C 右回転\n";
+        print_buffer += &format!("　　　　　Z ホールド, X 左回転, C 右回転   score: {}\n", self.game_data.score);
 
         for _ in 0..(if (console_size.1 - print_buffer.lines().count() as u16) > 0 { console_size.1 - print_buffer.lines().count() as u16 - 1 } else { console_size.1 - print_buffer.lines().count() as u16 }) {
             print_buffer += "\n";