diff --git a/app/main.rb b/app/main.rb
index b513062..5f27c1b 100644
--- a/app/main.rb
+++ b/app/main.rb
@@ -14,6 +14,8 @@ require "app/scenes/main_menu.rb"
 require "app/scenes/paused.rb"
 require "app/scenes/settings.rb"
 
+require "app/scenes/cube_tube.rb"
+
 # NOTE: add all requires above this
 
 require "app/tick.rb"
diff --git a/app/scenes/cube_tube.rb b/app/scenes/cube_tube.rb
new file mode 100644
index 0000000..67fef63
--- /dev/null
+++ b/app/scenes/cube_tube.rb
@@ -0,0 +1,393 @@
+module Scene
+  class << self
+    def tick_cube_tube(args)
+      tick_gameplay(args)
+      args.state.game ||= BlockTubeGame.new args
+      args.state.game.tick
+    end
+  end
+end
+
+
+class BlockTubeGame
+  def initialize args
+    @args = args
+    
+    @blocksize = 30
+    @grid_w = 10
+    @grid_h = 20
+    @grid_x = (720 - (@grid_w * @blocksize)) / 2
+    @grid_y = ((1280 - (@grid_h * @blocksize)) / 2) + 150
+
+    @next_piece_box = [-1, -9, 7, 7]
+
+    @color_index = [
+      [000, 000, 000],
+      [255, 000, 000],
+      [000, 255, 000],
+      [000, 000, 255],
+      [255, 255, 000],
+      [000, 255, 255],
+      [255, 000, 255],
+      [255, 127, 000],
+      [127, 127, 127],
+    ]
+
+    @sprite_index = [
+      "sprites/square/black.png",
+      "sprites/square/red.png",
+      "sprites/square/green.png",
+      "sprites/square/blue.png",
+      "sprites/square/yellow.png",
+      "sprites/square/indigo.png",
+      "sprites/square/violet.png",
+      "sprites/square/orange.png",
+      "sprites/square/gray.png",
+    ]
+
+    @grid = []
+
+    @lines = 0
+    @level = 0
+    @current_speed = 0
+    @next_move = 0
+    @gameover = false
+    @showgameover = false
+
+    @current_piece_x = 0
+    @current_piece_y = 0
+    @current_piece = nil
+    @next_piece = nil
+    @lines_to_clear = []
+    @line_clear_timer = 0
+
+    reset_game
+  end
+
+  def reset_game
+    @lines = 0
+    @level = 9
+    @current_speed = get_speed
+    @next_move = @current_speed
+    @gameover = false
+    @showgameover = false
+
+    @current_piece_x = 4
+    @current_piece_y = -1
+    @current_piece = nil
+    @next_piece = nil
+    select_next_piece
+    @lines_to_clear = []
+    @line_clear_timer = 0
+
+    for x in 0..@grid_w-1 do
+      @grid[x] = []
+      for y in 0..@grid_h-1 do
+        @grid[x][y] = 0
+      end
+    end
+  end
+
+  def render_grid_border x, y, w, h, color
+
+    for i in x..(x+w)-1 do
+      render_block i, y, color
+      render_block i, (y + h - 1), color
+    end
+
+    for i in y..(y+h)-1 do
+      render_block x, i, color
+      render_block (x + w - 1), i, color
+    end
+  end
+
+  def render_background
+    # draw a solid black background
+    @args.outputs.solids  << [
+      0,
+      0,
+      1280,
+      1280,
+      *@color_index[0]
+    ]
+  end
+
+  # x and y are positions in the grid, not pixels
+  def render_block x, y, color
+    @args.outputs.sprites << [
+      (1280 - @grid_y) - (y * @blocksize),
+      @grid_x + (x * @blocksize),
+      @blocksize, @blocksize,
+      @sprite_index[color]
+    ]
+  end
+
+  def render_grid
+
+    render_grid_border -1, -1, @grid_w + 2, @grid_h + 2, 8
+
+    for x in 0..@grid_w-1 do
+      for y in 0..@grid_h-1 do
+        render_block x, y, @grid[x][y] if @grid[x][y] != 0 && (!@lines_to_clear.include?(y) || (@line_clear_timer % 14) < 7)
+      end
+    end
+
+  end
+
+  def render_piece piece, piece_x, piece_y
+
+    for x in 0..piece.length-1 do
+      for y in 0..piece[x].length-1 do
+        render_block piece_x + x, piece_y + y, piece[x][y] if piece[x][y] != 0
+      end
+    end
+  end
+
+  def render_current_piece
+    render_piece @current_piece, @current_piece_x, @current_piece_y if @line_clear_timer <= 0
+  end
+
+  def render_next_piece
+    next_piece = @line_clear_timer <= 0 ? @next_piece : @current_piece
+    render_grid_border *@next_piece_box, 8
+    centerx = (@next_piece_box[2] - next_piece.length) / 2
+    centery = (@next_piece_box[3] - next_piece[0].length) / 2
+
+    render_piece next_piece, @next_piece_box[0] + centerx, @next_piece_box[1] + centery
+
+    @args.outputs.labels << [ 892, 431, "Next piece", 10, 255, 255, 255, 255 ]
+  end
+
+  def render_score
+    @args.outputs.labels << [ 200, 600, "Lines: #{@lines}", 10, 255, 255, 255, 255 ]
+    @args.outputs.labels << [ 400, 600, "Level: #{@level}", 10, 255, 255, 255, 255 ]
+    @args.outputs.labels << [ 400, 563, "(Speed: #{(1/(@current_speed/60)).round 2} L/s)", 0.1, 255, 255, 255, 255 ]
+  end
+
+  def render_gameover
+    @args.outputs.solids << [ 0, 245, 1280, 200, 0, 0, 0, 255]
+    @args.outputs.labels << [ 200, 450, "GAME OVER", 100, 255, 255, 255, 255 ]
+  end
+
+  def render
+    render_background
+    render_next_piece
+    render_current_piece
+    render_grid
+    render_score
+    render_gameover if @showgameover
+  end
+
+  def current_piece_colliding
+    for x in 0..@current_piece.length-1 do
+      for y in 0..@current_piece[x].length-1 do
+        if (@current_piece[x][y] != 0) && ((@current_piece_y + y >= @grid_h) || ((@current_piece_y + y) >= 0 && @grid[@current_piece_x + x][@current_piece_y + y] != 0 ))
+          return true
+        end
+      end
+    end
+    return false
+  end
+
+  def get_speed
+    return case @level
+      when 0 then 53
+      when 1 then 49
+      when 2 then 45
+      when 3 then 41
+      when 4 then 37
+      when 5 then 33
+      when 6 then 28
+      when 7 then 22
+      when 8 then 17
+      when 9 then 11
+      when 10 then 10
+      when 11 then 9
+      when 12 then 8
+      when 13 then 7
+      when 14 then 6
+      when 15 then 6
+      when 16 then 5
+      when 17 then 5
+      when 18 then 4
+      when 19 then 4
+      when 20 then 3
+      else 3
+    end
+  end
+
+  def plant_current_piece
+    rows_to_check = []
+
+    for x in 0..@current_piece.length-1 do
+      for y in 0..@current_piece[x].length-1 do
+        if @current_piece[x][y] != 0
+          col = @current_piece_x + x
+          row = @current_piece_y + y
+          @grid[col][row] = @current_piece[x][y]
+          rows_to_check << row if !rows_to_check.include? row
+        end
+      end
+    end
+
+    @lines_to_clear = []
+
+    # see if any rows need to be cleared out
+    for y in 0..@grid_h-1
+      full = true
+      for x in 0..@grid_w-1
+        if @grid[x][y] == 0
+          full = false
+          break
+        end
+      end
+
+      if full # no empty space in the row
+        @lines_to_clear.push y
+        @lines += 1
+        @level += 1 if (@lines%10).floor == 0
+        @line_clear_timer = 70
+      end
+    end
+
+    select_next_piece
+    if @lines_to_clear.empty?
+      if current_piece_colliding
+        @gameover = true
+      end
+    else
+      @current_speed = get_speed
+    end
+
+    @next_move = @current_speed + 2
+  end
+
+  def select_next_piece
+
+    @current_piece = @next_piece
+
+    @current_piece_x = 4
+    @current_piece_y = -1
+
+    r = (rand 7) + 1
+    @next_piece = case r 
+      when 1 then [ [r, 0], [r, r], [0, r]]
+      when 2 then [ [0, r], [r, r], [r, 0]]
+      when 3 then [ [r, r, r], [r, 0, 0]]
+      when 4 then [ [r, r], [r, r] ]
+      when 5 then [ [r], [r], [r], [r]]
+      when 6 then [ [r, 0], [r, r], [r, 0]]
+      when 7 then [ [r, 0, 0], [r, r, r]]
+    end
+    select_next_piece if @current_piece == nil
+  end
+
+  def rotate_current_piece_left
+    @current_piece = @current_piece.transpose.map(&:reverse)
+    if(@current_piece_x + @current_piece.length) >= @grid_w
+      @current_piece_x = @grid_w - @current_piece.length
+    end
+  end
+
+  def rotate_current_piece_right
+    @current_piece = @current_piece.transpose.map(&:reverse)
+    @current_piece = @current_piece.transpose.map(&:reverse)
+    @current_piece = @current_piece.transpose.map(&:reverse)
+  end
+
+  def fill_grid
+    b = false
+    for y in 0..@grid_h-1 do
+      for x in 0..@grid_w-1 do
+        if @grid[x][y] == 0
+          @grid[x][y] = (rand 7) + 1
+          b = true
+        end
+      end
+      return if b
+    end
+    @showgameover = true
+  end
+
+  def restart_game
+    reset_game
+  end
+
+  def iterate
+
+    # check input first
+    k = @args.inputs.keyboard
+    c = @args.inputs.controller_one
+
+    if @gameover
+      if @showgameover
+        if k.key_down.space || k.key_down.enter || c.key_down.start
+          restart_game
+        end
+      else
+        fill_grid
+      end
+      return
+    end
+
+    if @line_clear_timer > 0
+      @line_clear_timer -= 1
+      if @line_clear_timer == 0
+        for y in @lines_to_clear
+          for i in y.downto(1) do
+            for j in 0..@grid_w-1
+              @grid[j][i] = @grid[j][i-1]
+            end
+          end
+          for i in 0..@grid_w-1
+            @grid[i][0] = 0
+          end
+        end
+        @lines_to_clear = []
+      end
+      return
+    end
+    
+    if k.key_down.down || k.key_down.s || c.key_down.down
+      if @current_piece_x > 0
+        @current_piece_x -= 1
+        if current_piece_colliding
+          @current_piece_x += 1
+        end
+      end
+    end
+    if k.key_down.up || k.key_down.w || c.key_down.up
+      if (@current_piece_x + @current_piece.length) < @grid_w
+        @current_piece_x += 1
+        if current_piece_colliding
+          @current_piece_x -= 1
+        end
+      end
+    end
+    if k.key_down.left || k.key_held.left || k.key_down.a || k.key_held.a || c.key_down.left || c.key_held.left
+      @next_move -= @current_speed / 3
+    end
+
+    if k.key_down.q || c.key_down.a
+      rotate_current_piece_left
+    end
+    if k.key_down.e || c.key_down.b
+      rotate_current_piece_right
+    end
+
+    @next_move -= 1
+    if @next_move <= 0
+      @next_move = @current_speed
+      @current_piece_y += 1
+      if current_piece_colliding
+        @current_piece_y -= 1
+        plant_current_piece
+      end
+    end
+  end
+
+  def tick
+    iterate
+    render
+  end
+end
\ No newline at end of file
diff --git a/app/scenes/gameplay.rb b/app/scenes/gameplay.rb
index 56c89b4..8dec146 100644
--- a/app/scenes/gameplay.rb
+++ b/app/scenes/gameplay.rb
@@ -21,7 +21,7 @@ module Scene
 
       draw_bg(args, BLACK)
 
-      labels << label("GAMEPLAY", x: 40, y: args.grid.top - 40, size: SIZE_LG, font: FONT_BOLD)
+      # labels << label("GAMEPLAY", x: 40, y: args.grid.top - 40, size: SIZE_LG, font: FONT_BOLD)
       args.outputs.labels << labels
       args.outputs.sprites << sprites
     end
diff --git a/app/scenes/main_menu.rb b/app/scenes/main_menu.rb
index a20201f..929581f 100644
--- a/app/scenes/main_menu.rb
+++ b/app/scenes/main_menu.rb
@@ -6,7 +6,7 @@ module Scene
       options = [
         {
           key: :start,
-          on_select: -> (args) { Scene.switch(args, :gameplay, reset: true) }
+          on_select: -> (args) { Scene.switch(args, :cube_tube, reset: true) }
         },
         {
           key: :settings,
diff --git a/metadata/game_metadata.txt b/metadata/game_metadata.txt
index 4f614fe..300de3e 100644
--- a/metadata/game_metadata.txt
+++ b/metadata/game_metadata.txt
@@ -1,7 +1,7 @@
-devid=myitchusername
-devtitle=My Name
-gameid=my-game-title
-gametitle=My Game Title
+devid=death.au
+devtitle=death.au
+gameid=cube-tube
+gametitle=Cube Tube
 version=0.1-dev
 icon=metadata/icon.png
 
diff --git a/sprites/square/black.png b/sprites/square/black.png
new file mode 100644
index 0000000..1a80bda
Binary files /dev/null and b/sprites/square/black.png differ
diff --git a/sprites/square/blue.png b/sprites/square/blue.png
new file mode 100644
index 0000000..3194ff5
Binary files /dev/null and b/sprites/square/blue.png differ
diff --git a/sprites/square/gray.png b/sprites/square/gray.png
new file mode 100644
index 0000000..b94f1dd
Binary files /dev/null and b/sprites/square/gray.png differ
diff --git a/sprites/square/green.png b/sprites/square/green.png
new file mode 100644
index 0000000..d14a892
Binary files /dev/null and b/sprites/square/green.png differ
diff --git a/sprites/square/indigo.png b/sprites/square/indigo.png
new file mode 100644
index 0000000..f66aa46
Binary files /dev/null and b/sprites/square/indigo.png differ
diff --git a/sprites/square/orange.png b/sprites/square/orange.png
new file mode 100644
index 0000000..bf023bc
Binary files /dev/null and b/sprites/square/orange.png differ
diff --git a/sprites/square/red.png b/sprites/square/red.png
new file mode 100644
index 0000000..a59443e
Binary files /dev/null and b/sprites/square/red.png differ
diff --git a/sprites/square/violet.png b/sprites/square/violet.png
new file mode 100644
index 0000000..c8f3db8
Binary files /dev/null and b/sprites/square/violet.png differ
diff --git a/sprites/square/white.png b/sprites/square/white.png
new file mode 100644
index 0000000..7a233ea
Binary files /dev/null and b/sprites/square/white.png differ
diff --git a/sprites/square/yellow.png b/sprites/square/yellow.png
new file mode 100644
index 0000000..3b586c4
Binary files /dev/null and b/sprites/square/yellow.png differ