diff --git a/Cargo.toml b/Cargo.toml
index 0af5166..549c1d2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,4 +9,5 @@ edition = "2018"
 [dependencies]
 bytecount = "^0.6.0"
 clap = "^2.33.0"
-image = "^0.22.0"
\ No newline at end of file
+image = "^0.22.0"
+terminal_graphics = "^0.1.5"
diff --git a/inputs/day13 b/inputs/day13
new file mode 100644
index 0000000..738b1d4
--- /dev/null
+++ b/inputs/day13
@@ -0,0 +1 @@
+1,380,379,385,1008,2235,854990,381,1005,381,12,99,109,2236,1101,0,0,383,1102,1,0,382,20101,0,382,1,20102,1,383,2,21102,1,37,0,1106,0,578,4,382,4,383,204,1,1001,382,1,382,1007,382,38,381,1005,381,22,1001,383,1,383,1007,383,21,381,1005,381,18,1006,385,69,99,104,-1,104,0,4,386,3,384,1007,384,0,381,1005,381,94,107,0,384,381,1005,381,108,1106,0,161,107,1,392,381,1006,381,161,1102,1,-1,384,1106,0,119,1007,392,36,381,1006,381,161,1101,0,1,384,20102,1,392,1,21101,19,0,2,21101,0,0,3,21101,0,138,0,1106,0,549,1,392,384,392,21001,392,0,1,21101,19,0,2,21102,1,3,3,21102,1,161,0,1105,1,549,1102,1,0,384,20001,388,390,1,21002,389,1,2,21102,1,180,0,1106,0,578,1206,1,213,1208,1,2,381,1006,381,205,20001,388,390,1,20101,0,389,2,21102,1,205,0,1106,0,393,1002,390,-1,390,1101,1,0,384,20102,1,388,1,20001,389,391,2,21101,0,228,0,1105,1,578,1206,1,261,1208,1,2,381,1006,381,253,20102,1,388,1,20001,389,391,2,21101,253,0,0,1106,0,393,1002,391,-1,391,1101,1,0,384,1005,384,161,20001,388,390,1,20001,389,391,2,21102,1,279,0,1105,1,578,1206,1,316,1208,1,2,381,1006,381,304,20001,388,390,1,20001,389,391,2,21101,0,304,0,1105,1,393,1002,390,-1,390,1002,391,-1,391,1101,1,0,384,1005,384,161,21002,388,1,1,21002,389,1,2,21101,0,0,3,21102,1,338,0,1106,0,549,1,388,390,388,1,389,391,389,20101,0,388,1,21002,389,1,2,21102,1,4,3,21102,365,1,0,1106,0,549,1007,389,20,381,1005,381,75,104,-1,104,0,104,0,99,0,1,0,0,0,0,0,0,301,17,16,1,1,19,109,3,22102,1,-2,1,22101,0,-1,2,21101,0,0,3,21102,414,1,0,1106,0,549,21202,-2,1,1,21202,-1,1,2,21102,1,429,0,1105,1,601,1201,1,0,435,1,386,0,386,104,-1,104,0,4,386,1001,387,-1,387,1005,387,451,99,109,-3,2106,0,0,109,8,22202,-7,-6,-3,22201,-3,-5,-3,21202,-4,64,-2,2207,-3,-2,381,1005,381,492,21202,-2,-1,-1,22201,-3,-1,-3,2207,-3,-2,381,1006,381,481,21202,-4,8,-2,2207,-3,-2,381,1005,381,518,21202,-2,-1,-1,22201,-3,-1,-3,2207,-3,-2,381,1006,381,507,2207,-3,-4,381,1005,381,540,21202,-4,-1,-1,22201,-3,-1,-3,2207,-3,-4,381,1006,381,529,21202,-3,1,-7,109,-8,2105,1,0,109,4,1202,-2,38,566,201,-3,566,566,101,639,566,566,2102,1,-1,0,204,-3,204,-2,204,-1,109,-4,2105,1,0,109,3,1202,-1,38,594,201,-2,594,594,101,639,594,594,20102,1,0,-2,109,-3,2105,1,0,109,3,22102,21,-2,1,22201,1,-1,1,21102,401,1,2,21101,0,307,3,21102,1,798,4,21101,0,630,0,1105,1,456,21201,1,1437,-2,109,-3,2106,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,2,2,0,0,2,2,2,2,2,2,2,2,2,2,0,2,0,0,2,0,2,0,0,2,0,2,0,0,0,0,2,2,2,0,0,1,1,0,2,2,0,2,2,0,0,2,2,2,2,0,2,0,0,2,2,2,0,2,2,2,0,2,0,2,2,2,0,2,2,2,2,0,0,1,1,0,2,2,2,2,2,2,2,0,0,2,2,0,0,2,2,2,0,2,0,2,0,0,2,2,2,2,0,2,2,2,2,2,0,0,0,1,1,0,2,2,2,2,2,0,0,2,0,2,2,2,0,2,2,2,2,0,2,2,0,0,2,2,2,0,2,2,0,0,2,2,2,2,0,1,1,0,2,2,2,2,0,2,2,0,0,2,0,2,2,0,2,2,0,2,2,2,0,2,0,0,2,2,2,2,2,2,0,0,2,0,0,1,1,0,2,0,2,0,2,0,0,2,2,0,0,0,2,2,2,2,2,0,2,2,2,0,2,2,2,2,0,0,2,0,2,2,0,2,0,1,1,0,0,2,2,0,2,2,2,2,2,2,0,2,2,2,2,2,2,0,2,0,2,2,2,2,2,2,0,2,0,2,0,2,0,2,0,1,1,0,2,2,2,0,0,2,2,2,2,2,2,2,0,0,0,0,0,2,0,2,2,2,2,2,2,2,2,2,2,0,0,2,2,2,0,1,1,0,2,0,2,2,2,2,2,2,0,0,2,0,2,2,2,2,2,2,2,2,2,0,2,2,0,0,2,2,0,2,2,2,2,2,0,1,1,0,2,2,0,2,0,2,2,0,2,2,2,2,0,2,2,0,2,2,2,0,2,0,2,2,0,0,2,2,0,2,2,2,2,2,0,1,1,0,2,0,0,2,2,2,2,2,2,2,2,2,2,0,2,2,0,0,2,2,2,0,0,0,2,2,2,2,2,2,0,0,2,2,0,1,1,0,0,2,0,2,2,2,2,2,0,2,0,2,2,2,0,0,0,0,2,2,2,2,0,0,2,0,2,2,2,2,2,0,2,0,0,1,1,0,2,2,2,2,0,2,2,0,2,0,2,0,2,0,0,0,2,2,2,0,2,2,2,2,2,2,0,2,0,2,2,2,2,2,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,19,17,32,32,30,23,60,68,82,56,72,40,27,48,77,57,13,60,84,97,20,33,94,75,82,43,88,20,93,46,43,23,77,13,1,76,69,79,27,89,11,4,13,54,84,5,49,2,37,49,78,67,79,63,21,23,64,4,57,14,26,66,57,78,44,5,77,31,50,68,49,42,46,67,38,30,5,43,86,70,62,18,56,26,16,18,28,3,91,95,49,35,9,17,42,76,47,42,65,72,75,38,30,96,92,93,12,80,35,75,86,36,82,58,90,6,95,6,82,59,21,10,49,58,60,4,63,68,39,94,59,19,50,56,36,16,39,86,61,74,37,42,23,45,90,54,63,7,9,66,62,39,67,84,66,7,16,3,37,64,83,41,57,52,90,89,6,58,42,60,9,56,83,74,10,68,5,21,6,52,68,60,9,26,2,76,6,1,66,11,6,55,31,71,93,61,69,16,76,52,10,97,79,56,22,26,65,59,90,44,64,1,63,93,5,2,48,91,78,26,15,60,35,97,89,2,21,77,54,14,57,71,32,38,60,98,66,94,87,67,13,14,43,96,24,90,45,35,12,82,20,84,31,94,24,79,63,85,49,55,68,4,35,6,81,26,64,89,42,93,54,91,47,66,7,52,48,39,71,67,98,90,96,85,70,85,72,93,71,88,34,54,94,98,1,46,89,83,56,70,17,11,25,36,57,77,83,18,23,36,2,44,13,77,69,13,61,48,79,43,94,49,51,16,76,7,24,19,51,12,43,24,81,74,13,59,22,6,8,20,4,42,58,64,41,87,14,54,71,82,56,72,25,24,15,24,1,92,28,9,33,10,9,32,69,38,19,23,48,22,50,79,54,11,98,62,52,25,9,93,37,52,75,9,78,44,10,3,73,87,16,36,78,75,80,3,26,8,74,53,26,30,62,21,65,32,85,75,91,35,84,94,80,67,92,28,34,80,64,89,19,12,78,90,33,42,34,98,66,9,37,98,95,34,35,9,91,43,37,94,23,37,46,44,78,46,6,72,85,5,78,51,46,29,74,93,34,33,76,27,90,59,17,93,43,1,6,74,78,65,83,68,60,40,32,75,37,65,51,39,28,6,74,75,83,74,48,41,43,62,76,46,29,86,39,73,34,51,19,91,73,84,95,51,3,36,83,81,90,16,48,15,14,3,39,86,75,16,56,35,20,13,18,2,48,13,76,18,60,58,91,17,43,80,52,82,44,51,21,95,49,46,22,25,50,51,79,6,78,13,87,48,45,58,3,7,40,91,94,4,62,34,34,23,36,64,72,79,32,13,48,48,27,38,92,63,30,23,18,50,5,27,25,85,59,18,33,50,72,80,93,51,41,45,49,57,59,5,54,85,94,44,54,19,48,52,7,17,97,32,72,7,11,84,55,34,72,59,38,24,76,69,58,6,71,88,6,16,73,18,50,23,67,11,61,60,25,48,18,28,15,33,25,75,24,61,45,5,59,87,27,70,83,5,24,69,4,2,41,19,10,73,94,22,78,72,44,52,21,57,95,29,65,93,61,85,38,85,51,28,43,90,93,24,66,74,39,92,83,3,52,21,63,50,83,33,71,8,25,1,69,63,77,68,24,36,35,39,8,63,85,45,22,15,3,80,53,67,78,76,30,90,94,2,44,8,26,53,60,35,8,12,87,24,93,92,93,96,96,10,95,56,12,93,47,8,16,13,49,87,27,47,62,33,62,5,32,91,49,3,37,24,31,96,59,29,65,62,20,38,76,29,76,90,98,9,18,47,57,31,30,1,48,24,10,21,52,36,42,90,34,42,77,92,23,84,95,94,854990
diff --git a/src/arcade.rs b/src/arcade.rs
new file mode 100644
index 0000000..b54a0f6
--- /dev/null
+++ b/src/arcade.rs
@@ -0,0 +1,214 @@
+use crate::endchannel::{Receiver, Sender, channel};
+use crate::machine::Computer;
+use terminal_graphics::{Colour, Display};
+use std::fmt;
+use std::thread;
+
+pub struct Arcade {
+    screen: Vec<Tile>,
+    width: usize,
+    height: usize,
+    pub score: usize,
+    joystick_port: Sender<i64>,
+    update_port: Receiver<Update>,
+    ball: (usize, usize),
+    paddle: (usize, usize),
+}
+
+pub fn auto_move(arcade: &Arcade) -> Move {
+    let (ball_x, _) = arcade.ball;
+    let (paddle_x, _) = arcade.paddle;
+
+    if paddle_x < ball_x {
+        return Move::Right;
+    }
+
+    if paddle_x > ball_x {
+        return Move::Left;
+    }
+
+    Move::Neutral
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+enum Tile {
+    Empty,
+    Wall,
+    Block,
+    HorizontalPaddle,
+    Ball,
+}
+
+enum Update {
+    Score(usize),
+    Ball(usize, usize),
+    Paddle(usize, usize),
+    Draw(usize, usize, Tile),
+}
+
+impl fmt::Display for Tile {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Tile::Empty            => write!(f, "Empty"),
+            Tile::Wall             => write!(f, "Wall"),
+            Tile::Block            => write!(f, "Block"),
+            Tile::HorizontalPaddle => write!(f, "HorizontalPaddle"),
+            Tile::Ball             => write!(f, "Ball"),
+        }
+    }
+}
+
+impl Tile {
+    fn new(x: i64) -> Tile {
+        match x {
+            0 => Tile::Empty,
+            1 => Tile::Wall,
+            2 => Tile::Block,
+            3 => Tile::HorizontalPaddle,
+            4 => Tile::Ball,
+            _ => panic!("Unknown tile type: {}", x),
+        }
+    }
+
+    fn to_char(&self) -> char {
+        match self {
+            Tile::Empty            => ' ',
+            Tile::Wall             => '█',
+            Tile::Block            => '░',
+            Tile::HorizontalPaddle => '=',
+            Tile::Ball             => 'o',
+        }
+    }
+}
+
+impl Arcade {
+    pub fn new(width: usize, height: usize, cheat: bool, logic_file: &str) -> Arcade {
+        let mut logic = Computer::load(logic_file, 0);
+        let (    mysend, mut corecv) = channel();
+        let (mut cosend, mut myrecv) = channel();
+        let (mut upsend,     uprecv) = channel();
+
+        if cheat { logic.write(0, 2); }
+        thread::spawn(move || logic.run(&mut corecv, &mut cosend));
+
+        let mut screen = Vec::with_capacity(width * height);
+        screen.resize(width * height, Tile::Empty);
+
+        thread::spawn(move || {
+            while let Some(first) = myrecv.recv() {
+                let second = myrecv.recv().expect("Didn't get second?!");
+                let third  = myrecv.recv().expect("Didn't get third?!");
+
+                if first == -1 && second == 0 {
+                    upsend.send_ignore_error(Update::Score(third as usize));
+                } else {
+                    let x = first as usize;
+                    let y = second as usize;
+                    let t = Tile::new(third);
+                    upsend.send_ignore_error(Update::Draw(x, y, t));
+                    if t == Tile::Ball             {
+                        upsend.send_ignore_error(Update::Ball(x, y));
+                    }
+                    if t == Tile::HorizontalPaddle {
+                        upsend.send_ignore_error(Update::Paddle(x, y));
+                    }
+                }
+            }
+            upsend.conclude();
+        });
+
+        Arcade {
+            screen,
+            width,
+            height,
+            joystick_port: mysend,
+            update_port: uprecv,
+            score: 0,
+            ball: (0, 0),
+            paddle: (0, 0),
+        }
+    }
+
+    fn count_blocks(&self) -> usize {
+        let mut count = 0;
+
+        for tile in self.screen.iter() {
+            if tile == &Tile::Block {
+                count += 1;
+            }
+        }
+
+        count
+    }
+
+    pub fn process_update<F>(&mut self, next_move: F) -> bool
+         where F: Fn(&Arcade) -> Move
+    {
+        let next = self.update_port.recv();
+
+        if let Some(ref update) = next {
+            match update {
+                &Update::Score(s) => self.score = s,
+                &Update::Draw(x, y, t) => self.screen[ (y * self.width) + x ] = t,
+                &Update::Ball(x, y) => {
+                    self.ball = (x, y);
+                    let next = next_move(&self);
+                    self.paddle_move(next);
+                }
+                &Update::Paddle(x, y) => {
+                    self.paddle = (x, y);
+                //    let next = next_move(&self);
+                //    self.paddle_move(next);
+                }
+            }
+        }
+
+        next.is_some()
+    }
+
+    pub fn paddle_move(&mut self, motion: Move) {
+        match motion {
+            Move::Left    => self.joystick_port.send_ignore_error(-1),
+            Move::Neutral => self.joystick_port.send_ignore_error(0),
+            Move::Right   => self.joystick_port.send_ignore_error(1),
+        }
+    }
+
+    pub fn draw(&self, display: &mut Display) {
+        write_to_screen(display, 0, &format!("Score: {}", self.score));
+        for row in 0..self.height {
+            for col in 0..self.width {
+                let c = self.screen[ (row * self.width) + col ].to_char();
+                display.set_pixel(col as isize, (row + 2) as isize, c, Colour::White, Colour::Black);
+            }
+        }
+        write_to_screen(display, 37, &format!("Paddle: {:?}", self.paddle));
+        write_to_screen(display, 38, &format!("Ball: {:?}", self.ball));
+    }
+}
+
+fn write_to_screen(display: &mut Display, row: isize, s: &str) {
+    let mut col = 0;
+
+    for c in s.chars() {
+        display.set_pixel(col, row, c, Colour::White, Colour::Black);
+        col += 1;
+    }
+}
+
+pub enum Move {
+    Left,
+    Neutral,
+    Right,
+}
+
+#[test]
+fn day13() {
+    let mut arcade1 = Arcade::new(38, 21, false, "inputs/day13");
+    while arcade1.process_update(auto_move) { }
+    assert_eq!(301, arcade1.count_blocks());
+
+    let mut arcade2 = Arcade::new(38, 21, true, "inputs/day13");
+    while arcade2.process_update(auto_move) { }
+    assert_eq!(14096, arcade2.score);
+}
diff --git a/src/args.rs b/src/args.rs
index 22e73a4..c5d2b7a 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -1,4 +1,5 @@
 use clap::{App,Arg,SubCommand};
+use crate::arcade::Arcade;
 use crate::image::Image;
 use crate::machine::Computer;
 use crate::orbits::UniversalOrbitMap;
@@ -16,6 +17,7 @@ pub enum Command {
     PasswordCrack(u32, u32),
     Amplify(Computer),
     Image(Image),
+    Arcade(Arcade),
 }
 
 fn is_number(s: String) -> Result<(), String> {
@@ -39,6 +41,13 @@ impl Command {
                           .version("1.0")
                           .author("Adam Wick <awick@uhsure.com>")
                           .about("Runs advent of code programs")
+                          .subcommand(SubCommand::with_name("arcade")
+                                        .about("Play the arcade game!!")
+                                        .arg(Arg::with_name("FILE")
+                                                 .help("The arcade program")
+                                                 .index(1)
+                                                 .validator(is_file))
+                                        )
                           .subcommand(SubCommand::with_name("fuel")
                                         .about("runs the fuel computation from day1")
                                         .arg(Arg::with_name("NUM")
@@ -181,6 +190,12 @@ impl Command {
             let image_data = str::from_utf8(&file_contents).unwrap();
             return Command::Image(Image::new(width, height, image_data).unwrap());
         }
+
+        if let Some(arcade) = matches.subcommand_matches("arcade") {
+            let file = arcade.value_of("FILE").expect("No arcade file!");
+            let arcade = Arcade::new(38, 21, true, file);
+            return Command::Arcade(arcade);
+        }
  
         panic!("Failed to run a reasonable command.");
     }
diff --git a/src/main.rs b/src/main.rs
index 7b00b41..c84dcb8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+mod arcade;
 mod args;
 mod endchannel;
 mod fuel;
@@ -7,12 +8,14 @@ mod orbits;
 mod robot;
 mod wiremap;
 
+use crate::arcade::{auto_move, Move};
 use crate::args::Command;
 use crate::endchannel::channel;
 use crate::fuel::calculate_fuel;
 use crate::orbits::Object;
 use crate::wiremap::WireMap;
 use std::cmp::{max,min};
+use terminal_graphics::Display;
 
 fn main() {
     match Command::get() {
@@ -157,5 +160,16 @@ fn main() {
             println!("Multiplied together is {}", one_digits * two_digits);
             image.draw();
         }
+
+        Command::Arcade(mut arcade) => {
+            let mut screen = Display::new(40, 40);
+
+            screen.clear();
+            while arcade.process_update(auto_move) {
+                arcade.draw(&mut screen);
+                screen.print();
+            }
+            println!("Final score: {}", arcade.score);
+        }
     }
  }