diff --git a/README.md b/README.md
index dd1f058..5095186 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,20 @@
 # tanks
+The best way to show off your sprig to your friends!!
 
+This is a simple multiplayer game where you try to shoot down the enemy tank.
+
+Also available at:
+https://github.com/hackclub/sprig/blob/main/games/tanks.js
+
+In the color picker:
+AD to move player one cursor.
+JL to move player two cursor.
+W and I to set READY state for players.
+
+In the actual game:
+WASD for player one to move,
+IJKL for player two to move.
+
+The game moves the players automatically every 500 ms. 
+Each keypress shoots a projectile and changes direction.
+Shoot the other tank to win!
diff --git a/demo.png b/demo.png
new file mode 100644
index 0000000..54a84a1
Binary files /dev/null and b/demo.png differ
diff --git a/tanks.js b/tanks.js
new file mode 100644
index 0000000..b7f85f5
--- /dev/null
+++ b/tanks.js
@@ -0,0 +1,1029 @@
+/*
+Shoot your projectile at the other tank before they get you!
+
+@title: Tanks
+@author: Om Raheja
+@tags: ["two-player", "fighting", "pvp"]
+@addedOn: 2024-06-30
+
+In the color picker:
+AD to move player one cursor.
+JL to move player two cursor.
+W and I to set READY state for players.
+
+In the actual game:
+WASD for player one to move,
+IJKL for player two to move.
+
+The game moves the players automatically every 500 ms. 
+Each keypress shoots a projectile and changes direction.
+Shoot the other tank to win!
+*/
+
+const player = "a";
+const player2 = "b";
+const wall = "w";
+const projectile = "p";
+
+// direction of the tanks
+var direction1 = ">";
+var direction2 = "<";
+
+const colorTanks = [{
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...0033003300...
+..C0330000330C..
+..C3303333033C..
+..C3030303303C..
+..C3033030303C..
+..C3033333303C..
+..C3303333033C..
+..C3330000333C..
+..C0333333330C..
+..C0033333300C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...0033333300...
+..C0333333330C..
+..C3330000333C..
+..C3303333033C..
+..C3030303303C..
+..C3033030303C..
+..C3033333303C..
+..C3303333033C..
+..C0330000330C..
+..C0033003300C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...033333330..
+000000330330030.
+00..03333333330.
+.....0000000000.
+.....00494949330
+....000000000000
+...0F03CF03CF300
+..0F3F0F3F0F3F0.
+...0FC30FC30F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..033333330...00
+.030033033000000
+.03333333330..00
+.0000000000.....
+03394949400.....
+000000000000....
+003FC30FC30F0...
+.0F3F0F3F0F3F0..
+..0F03CF03CF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...0099009900...
+..C0990000990C..
+..C9909999099C..
+..C9090909909C..
+..C9099090909C..
+..C9099999909C..
+..C9909999099C..
+..C9990000999C..
+..C0999999990C..
+..C0099999900C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...0099999900...
+..C0999999990C..
+..C9990000999C..
+..C9909999099C..
+..C9090909909C..
+..C9099090909C..
+..C9099999909C..
+..C9909999099C..
+..C0990000990C..
+..C0099009900C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...099999990..
+000000990990090.
+00..09999999990.
+.....0000000000.
+.....00434343990
+....000000000000
+...0F09CF09CF900
+..0F9F0F9F0F9F0.
+...0FC90FC90F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..099999990...00
+.090099099000000
+.09999999990..00
+.0000000000.....
+09934343400.....
+000000000000....
+009FC90FC90F0...
+.0F9F0F9F0F9F0..
+..0F09CF09CF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...0066006600...
+..C0660000660C..
+..C6606666066C..
+..C6060606606C..
+..C6066060606C..
+..C6066666606C..
+..C6606666066C..
+..C6660000666C..
+..C0666666660C..
+..C0066666600C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...0066666600...
+..C0666666660C..
+..C6660000666C..
+..C6606666066C..
+..C6060606606C..
+..C6066060606C..
+..C6066666606C..
+..C6606666066C..
+..C0660000660C..
+..C0066006600C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...066666660..
+000000660660060.
+00..06666666660.
+.....0000000000.
+.....00434343660
+....000000000000
+...0F06CF06CF600
+..0F6F0F6F0F6F0.
+...0FC60FC60F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..066666660...00
+.060066066000000
+.06666666660..00
+.0000000000.....
+06634343400.....
+000000000000....
+006FC60FC60F0...
+.0F6F0F6F0F6F0..
+..0F06CF06CF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...00DD00DD00...
+..C0DD0000DD0C..
+..CDD0DDDD0DDC..
+..CD0D0D0DD0DC..
+..CD0DD0D0D0DC..
+..CD0DDDDDD0DC..
+..CDD0DDDD0DDC..
+..CDDD0000DDDC..
+..C0DDDDDDDD0C..
+..C00DDDDDD00C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...00DDDDDD00...
+..C0DDDDDDDD0C..
+..CDDD0000DDDC..
+..CDD0DDDD0DDC..
+..CD0D0D0DD0DC..
+..CD0DD0D0D0DC..
+..CD0DDDDDD0DC..
+..CDD0DDDD0DDC..
+..C0DD0000DD0C..
+..C00DD00DD00C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...0DDDDDDD0..
+000000DD0DD00D0.
+00..0DDDDDDDDD0.
+.....0000000000.
+.....00434343DD0
+....000000000000
+...0F0DCF0DCFD00
+..0FDF0FDF0FDF0.
+...0FCD0FCD0F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..0DDDDDDD0...00
+.0D00DD0DD000000
+.0DDDDDDDDD0..00
+.0000000000.....
+0DD34343400.....
+000000000000....
+00DFCD0FCD0F0...
+.0FDF0FDF0FDF0..
+..0F0DCF0DCF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...0077007700...
+..C0770000770C..
+..C7707777077C..
+..C7070707707C..
+..C7077070707C..
+..C7077777707C..
+..C7707777077C..
+..C7770000777C..
+..C0777777770C..
+..C0077777700C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...0077777700...
+..C0777777770C..
+..C7770000777C..
+..C7707777077C..
+..C7070707707C..
+..C7077070707C..
+..C7077777707C..
+..C7707777077C..
+..C0770000770C..
+..C0077007700C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...077777770..
+000000770770070.
+00..07777777770.
+.....0000000000.
+.....00434343770
+....000000000000
+...0F07CF07CF700
+..0F7F0F7F0F7F0.
+...0FC70FC70F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..077777770...00
+.070077077000000
+.07777777770..00
+.0000000000.....
+07734343400.....
+000000000000....
+007FC70FC70F0...
+.0F7F0F7F0F7F0..
+..0F07CF07CF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...00HH00HH00...
+..C0HH0000HH0C..
+..CHH0HHHH0HHC..
+..CH0H0H0HH0HC..
+..CH0HH0H0H0HC..
+..CH0HHHHHH0HC..
+..CHH0HHHH0HHC..
+..CHHH0000HHHC..
+..C0HHHHHHHH0C..
+..C00HHHHHH00C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...00HHHHHH00...
+..C0HHHHHHHH0C..
+..CHHH0000HHHC..
+..CHH0HHHH0HHC..
+..CH0H0H0HH0HC..
+..CH0HH0H0H0HC..
+..CH0HHHHHH0HC..
+..CHH0HHHH0HHC..
+..C0HH0000HH0C..
+..C00HH00HH00C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...0HHHHHHH0..
+000000HH0HH00H0.
+00..0HHHHHHHHH0.
+.....0000000000.
+.....00434343HH0
+....000000000000
+...0F0HCF0HCFH00
+..0FHF0FHF0FHF0.
+...0FCH0FCH0F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..0HHHHHHH0...00
+.0H00HH0HH000000
+.0HHHHHHHHH0..00
+.0000000000.....
+0HH34343400.....
+000000000000....
+00HFCH0FCH0F0...
+.0FHF0FHF0FHF0..
+..0F0HCF0HCF0...
+...000000000....
+................
+................`
+  },
+  {
+    "^": bitmap`
+......0000......
+......0000......
+.......00.......
+.......00.......
+...0088008800...
+..C0880000880C..
+..C8808888088C..
+..C8080808808C..
+..C8088080808C..
+..C8088888808C..
+..C8808888088C..
+..C8880000888C..
+..C0888888880C..
+..C0088888800C..
+..C0000000000C..
+..C..........C..`,
+    ".": bitmap`
+................
+................
+...0088888800...
+..C0888888880C..
+..C8880000888C..
+..C8808888088C..
+..C8080808808C..
+..C8088080808C..
+..C8088888808C..
+..C8808888088C..
+..C0880000880C..
+..C0088008800C..
+..C0000000000C..
+..C....00....C..
+......0000......
+......0000......`,
+    "<": bitmap`
+................
+................
+................
+......0000000...
+00...088888880..
+000000880880080.
+00..08888888880.
+.....0000000000.
+.....00434343880
+....000000000000
+...0F08CF08CF800
+..0F8F0F8F0F8F0.
+...0FC80FC80F0..
+....000000000...
+................
+................`,
+    ">": bitmap`
+................
+................
+................
+...0000000......
+..088888880...00
+.080088088000000
+.08888888880..00
+.0000000000.....
+08834343400.....
+000000000000....
+008FC80FC80F0...
+.0F8F0F8F0F8F0..
+..0F08CF08CF0...
+...000000000....
+................
+................`
+  },
+];
+
+/* since the sprites for colored tanks are 0,1,2... respectively */
+const colorCode = [
+  color`3`, color`9`, color`6`,
+  color`D`, color`7`, color`H`,
+  color`8`
+];
+
+const colorString = [
+  "RED", "ORANGE", "YELLOW", "GREEN", "BLUE", "PURPLE", "PINK"
+];
+
+const wallBitmap = bitmap`
+10LLLLLLLLLLLL01
+010LLLLLLLLLL010
+L010LLLLLLLL010L
+LL010LLLLLL010LL
+LLL010LLLL010LLL
+LLLL01022010LLLL
+LLLLL010010LLLLL
+LLLLL201102LLLLL
+LLLLL201102LLLLL
+LLLLL010010LLLLL
+LLLL01022010LLLL
+LLL010LLLL010LLL
+LL010LLLLLL010LL
+L010LLLLLLLL010L
+010LLLLLLLLLL010
+10LLLLLLLLLLLL01`;
+const projectileBitmap = bitmap`
+................
+................
+................
+................
+................
+................
+......LLLL......
+......LL0L......
+......L0LL......
+......LLLL......
+................
+................
+................
+................
+................
+................`;
+
+var musicPlaying = null;
+
+// scores
+var score1 = 0;
+var score2 = 0;
+
+// sprite type
+var player1Type = 3;
+var player2Type = 3;
+
+// color ready
+var player1Ready = false;
+var player2Ready = false;
+
+// time of last win
+var lastWin = 0;
+
+registerSprites();
+setSolids([player, player2, wall, projectile]);
+
+const Maps = {
+  End: 0,
+  ColorPicker: 1,
+  FirstLevel: 2
+};
+
+const Music = {
+  End: tune`
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: C5~283.0188679245283,
+283.0188679245283: D5~283.0188679245283,
+283.0188679245283: D5~283.0188679245283,
+283.0188679245283: C5~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: A4~283.0188679245283,
+283.0188679245283: G4~283.0188679245283 + E4-283.0188679245283,
+283.0188679245283: G4~283.0188679245283 + E4-283.0188679245283,
+283.0188679245283: A4~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: A4~283.0188679245283 + E4-283.0188679245283,
+283.0188679245283: A4~283.0188679245283 + E4-283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: C5~283.0188679245283,
+283.0188679245283: D5~283.0188679245283,
+283.0188679245283: D5~283.0188679245283,
+283.0188679245283: C5~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: A4~283.0188679245283,
+283.0188679245283: G4~283.0188679245283 + E4-283.0188679245283 + C4/283.0188679245283,
+283.0188679245283: G4~283.0188679245283 + E4-283.0188679245283 + C4/283.0188679245283,
+283.0188679245283: A4~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: B4~283.0188679245283,
+283.0188679245283: A4~283.0188679245283 + E4^283.0188679245283,
+283.0188679245283: G4~283.0188679245283 + D4^283.0188679245283,
+1132.0754716981132`,
+  ColorPickCheck: tune`
+230.76923076923077,
+230.76923076923077: B5-230.76923076923077,
+230.76923076923077: B5-230.76923076923077,
+6692.307692307692`,
+  ColorPickFail: tune`
+153.0612244897959: E4/153.0612244897959,
+153.0612244897959: D4/153.0612244897959,
+153.0612244897959: C4/153.0612244897959,
+4438.775510204081`,
+};
+
+let level = Maps.ColorPicker;
+const levels = [
+  map`
+wwwww
+wwwww
+wwwww
+wwwww
+wwwww`,
+  map`
+...........
+...........
+...........
+..0123456..
+.....x.....
+..0123456..
+.....y.....
+...........
+...........`,
+  map`a.........
+..........
+..w..ww...
+..w.......
+..w.......
+.....b....
+...www....
+..........`
+];
+
+loadColorPicker();
+
+function registerSprites() {
+  setLegend(
+    [player, player1Bitmap()],
+    [player2, player2Bitmap()],
+    [wall, wallBitmap],
+    [projectile, projectileBitmap]
+  );
+}
+
+function registerColorSprites() {
+  const chooser1 = "x";
+  const chooser2 = "y";
+
+  setLegend(
+    ["0", colorTanks[0][">"]],
+    ["1", colorTanks[1][">"]],
+    ["2", colorTanks[2][">"]],
+    ["3", colorTanks[3][">"]],
+    ["4", colorTanks[4][">"]],
+    ["5", colorTanks[5][">"]],
+    ["6", colorTanks[6][">"]],
+    [chooser1, bitmap`
+4444444444444444
+4444444444444444
+4444444444444444
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................`],
+    [chooser2, bitmap`
+4444444444444444
+4444444444444444
+4444444444444444
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................
+................`]
+  );
+}
+
+function loadLevel() {
+  clearText();
+  direction1 = ">";
+  direction2 = "<";
+  registerSprites();
+  level = Maps.FirstLevel;
+  setMap(levels[level]);
+}
+
+function loadColorPicker() {
+  level = 1;
+  registerColorSprites();
+  setMap(levels[level]);
+  addText("L/R MOVE,UP SELECT", { y: 1 });
+}
+
+// holds all the flying bullets
+var projEntities = [];
+
+function addProjectile(x, y, direction) {
+  if (level >= Maps.FirstLevel) {
+    setLegend([projectile, projectileBitmap]);
+
+    if (x >= 0 && x < width() && y >= 0 && y < height() && getTile(x, y).length <= 0) {
+      projEntities.push([x, y, direction]);
+      addSprite(x, y, projectile);
+    }
+
+    checkWinLose(x, y);
+  }
+}
+
+function player1Bitmap() {
+  return colorTanks[player1Type][direction1];
+}
+
+function player2Bitmap() {
+  return colorTanks[player2Type][direction2];
+}
+
+function oneMusic(tune) {
+  if (musicPlaying) {
+    musicPlaying.end();
+  }
+  musicPlaying = playTune(tune);
+}
+
+function checkWinLose(x, y) {
+  if (level >= Maps.FirstLevel) {
+    registerSprites();
+
+    if (getFirst(player).x == x && getFirst(player).y == y) {
+      level = 0;
+      oneMusic(Music.End);
+
+      setMap(levels[level]);
+      clearText();
+      addText(colorString[player2Type] + " WIN", { x: 0, y: 0, color: colorCode[player2Type] });
+      addText("ANY KEY TO CONT", { x: 0, y: 2, color: color`2` });
+
+      score2++;
+      lastWin = new Date().getTime();
+    } else if (getFirst(player2).x == x && getFirst(player2).y == y) {
+      level = 0;
+      oneMusic(Music.End);
+
+      setMap(levels[level]);
+      clearText();
+      addText(colorString[player1Type] + " WIN", { x: 0, y: 0, color: colorCode[player1Type] });
+      addText("ANY KEY TO CONT", { x: 0, y: 2, color: color`2` });
+
+      score1++;
+      lastWin = new Date().getTime();
+    }
+  }
+}
+
+/* change direction */
+
+onInput("w", () => {
+  if (level >= Maps.FirstLevel) {
+    direction1 = "^";
+    registerSprites();
+
+    addProjectile(getFirst(player).x, getFirst(player).y - 1, "^");
+
+  } else if (level == Maps.ColorPicker) {
+    const chooser1 = "x";
+    const chooser2 = "y";
+    player1Ready = true;
+
+    player1Type = getFirst(chooser1).x - 2;
+    player2Type = getFirst(chooser2).x - 2;
+
+    if (player1Type == player2Type) {
+      oneMusic(Music.ColorPickFail);
+    } else if (player2Ready) {
+      oneMusic(Music.ColorPickCheck);
+      loadLevel();
+    } else {
+      oneMusic(Music.ColorPickCheck);
+    }
+  }
+})
+
+onInput("s", () => {
+  if (level >= Maps.FirstLevel) {
+    direction1 = ".";
+    registerSprites();
+
+    addProjectile(getFirst(player).x, getFirst(player).y + 1, ".");
+  }
+})
+
+onInput('a', () => {
+  if (level >= Maps.FirstLevel) {
+    direction1 = "<";
+    registerSprites();
+
+
+    addProjectile(getFirst(player).x - 1, getFirst(player).y, "<");
+
+  } else if (level == Maps.ColorPicker) {
+    const chooser1 = "x";
+    registerColorSprites();
+
+    if (getFirst(chooser1).x > 2) {
+      getFirst(chooser1).x -= 1;
+    }
+  }
+})
+
+onInput('d', () => {
+  if (level >= Maps.FirstLevel) {
+    direction1 = ">";
+    registerSprites();
+
+
+    addProjectile(getFirst(player).x + 1, getFirst(player).y, ">");
+
+  } else if (level == Maps.ColorPicker) {
+    const chooser1 = "x";
+    registerColorSprites();
+
+    if (getFirst(chooser1).x < 8) {
+      getFirst(chooser1).x += 1;
+    }
+  }
+})
+
+onInput("i", () => {
+  if (level >= Maps.FirstLevel) {
+    direction2 = "^";
+    registerSprites();
+
+    addProjectile(getFirst(player2).x, getFirst(player2).y - 1, "^");
+  } else if (level == Maps.ColorPicker) {
+    const chooser1 = "x";
+    const chooser2 = "y";
+    player2Ready = true;
+
+    player1Type = getFirst(chooser1).x - 2;
+    player2Type = getFirst(chooser2).x - 2;
+
+    if (player1Type == player2Type) {
+      oneMusic(Music.ColorPickFail);
+    } else if (player1Ready) {
+      oneMusic(Music.ColorPickCheck);
+      loadLevel();
+    } else {
+      oneMusic(Music.ColorPickCheck);
+    }
+  }
+})
+
+onInput('k', () => {
+  if (level >= Maps.FirstLevel) {
+    direction2 = ".";
+    registerSprites();
+
+    addProjectile(getFirst(player2).x, getFirst(player2).y + 1, ".");
+  }
+})
+
+onInput('j', () => {
+  if (level >= Maps.FirstLevel) {
+    direction2 = "<";
+    registerSprites();
+
+    addProjectile(getFirst(player2).x - 1, getFirst(player2).y, "<");
+  } else if (level == Maps.ColorPicker) {
+    const chooser2 = "y";
+    registerColorSprites();
+
+    if (getFirst(chooser2).x > 2) {
+      getFirst(chooser2).x -= 1;
+    }
+  }
+});
+
+onInput("l", () => {
+  if (level >= Maps.FirstLevel) {
+    direction2 = ">";
+    registerSprites();
+
+    addProjectile(getFirst(player2).x + 1, getFirst(player2).y, ">");
+  } else if (level == Maps.ColorPicker) {
+    const chooser2 = "y";
+    registerColorSprites();
+
+    if (getFirst(chooser2).x < 8) {
+      getFirst(chooser2).x += 1;
+    }
+  }
+})
+
+// restart the game if the level is different
+afterInput(() => {
+  if (new Date().getTime() - lastWin >= 250 && level == Maps.End) {
+    loadLevel();
+    addText(score1 + ":" + score2, { color: color`4` });
+  }
+});
+
+// actually move the sprite in a forever loop
+function run() {
+  if (level >= Maps.FirstLevel) {
+    // projectiles go first
+    registerSprites();
+    for (var i = 0; i < projEntities.length;) {
+      clearTile(projEntities[i][0], projEntities[i][1]);
+      switch (projEntities[i][2]) {
+        case "^":
+          projEntities[i][1] -= 1;
+          break;
+        case "<":
+          projEntities[i][0] -= 1;
+          break;
+        case ">":
+          projEntities[i][0] += 1;
+          break;
+        case ".":
+          projEntities[i][1] += 1;
+          break;
+        default:
+          break;
+      }
+
+      const x = projEntities[i][0];
+      const y = projEntities[i][1];
+
+      var items = getTile(x, y);
+
+      checkWinLose(x, y);
+
+      if (x < 0 || x >= width() || y < 0 || y >= height() || items.length > 0) {
+        projEntities.splice(i, 1);
+
+      } else {
+        i++;
+        addSprite(x, y, projectile);
+      }
+    }
+
+    // process tank movement
+    if (level >= Maps.FirstLevel) {
+      switch (direction1) {
+        case "^":
+          getFirst(player).y -= 1;
+          break;
+        case "<":
+          getFirst(player).x -= 1;
+          break;
+        case ">":
+          getFirst(player).x += 1;
+          break;
+        case ".":
+          getFirst(player).y += 1;
+          break;
+        default:
+          break;
+      }
+      switch (direction2) {
+        case "^":
+          getFirst(player2).y -= 1;
+          break;
+        case "<":
+          getFirst(player2).x -= 1;
+          break;
+        case ">":
+          getFirst(player2).x += 1;
+          break;
+        case ".":
+          getFirst(player2).y += 1;
+          break;
+        default:
+          break;
+      }
+    }
+  }
+}
+
+setInterval(run, 500);
\ No newline at end of file