diff --git a/tetris/rulesets/mix.lua b/tetris/rulesets/mix.lua
new file mode 100644
index 0000000..f65c195
--- /dev/null
+++ b/tetris/rulesets/mix.lua
@@ -0,0 +1,315 @@
+local Ruleset = require 'tetris.rulesets.ruleset'
+
+local MixRS = Ruleset:extend()
+
+MixRS.name = "MixRS"
+MixRS.hash = "MixRS"
+
+MixRS.colourscheme = {
+    [1] = "R",
+	[2] = "O",
+	[3] = "B",
+	[4] = "M",
+	[5] = "G",
+	[6] = "Y",
+	[7] = "C",
+    [8] = "C",
+	[9] = "O",
+	[10] = "B",
+	[11] = "G",
+	[12] = "R",
+	[13] = "Y",
+	[14] = "M",
+}
+
+MixRS.spawn_positions = {
+	[1] = { x=5, y=4 },
+	[2] = { x=4, y=5 },
+    [3] = { x=4, y=5 },
+	[4] = { x=4, y=5 },
+    [5] = { x=4, y=5 },
+    [6] = { x=5, y=5 },
+	[7] = { x=4, y=5 },
+    [8] = { x=5, y=4 },
+	[9] = { x=4, y=5 },
+    [10] = { x=4, y=5 },
+    [11] = { x=4, y=5 },
+    [12] = { x=4, y=5 },
+	[13] = { x=5, y=5 },
+	[14] = { x=4, y=5 },
+}
+
+MixRS.big_spawn_positions = {
+	[1] = { x=3, y=2 },
+    [2] = { x=2, y=3 },
+	[3] = { x=2, y=3 },
+	[4] = { x=2, y=3 },
+    [5] = { x=2, y=3 },
+    [6] = { x=3, y=3 },
+	[7] = { x=2, y=3 },
+    [8] = { x=3, y=2 },
+    [9] = { x=2, y=3 },
+	[10] = { x=2, y=3 },
+    [11] = { x=2, y=3 },
+    [12] = { x=2, y=3 },
+	[13] = { x=3, y=3 },
+	[14] = { x=2, y=3 },
+}
+
+MixRS.next_sounds = {
+    [1] = "I",
+    [2] = "L",
+    [3] = "J",
+    [4] = "S",
+    [5] = "Z",
+    [6] = "O",
+    [7] = "T",
+    [8] = "I",
+    [9] = "L",
+    [10] = "J",
+    [11] = "S",
+    [12] = "Z",
+    [13] = "O",
+    [14] = "T"
+}
+
+MixRS.block_offsets = {
+	[1]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-2, y=0}, {x=1, y=0} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=0, y=2} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-2, y=0}, {x=1, y=0} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=0, y=2} },
+	},
+	[2]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=1, y=-1} },
+		{ {x=0, y=-2}, {x=0, y=-1}, {x=1, y=0}, {x=0, y=0} },
+		{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=-1, y=0} },
+		{ {x=0, y=-1}, {x=-1, y=-2}, {x=0, y=-2}, {x=0, y=0} },
+	},
+    [3]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=-1, y=-1} },
+		{ {x=0, y=-1}, {x=1, y=-2}, {x=0, y=-2}, {x=0, y=0} },
+		{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=1, y=0} },
+		{ {x=0, y=-1}, {x=0, y=-2}, {x=0, y=0}, {x=-1, y=0} },
+	},
+	[4]={
+		{ {x=1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=-1, y=0} },
+		{ {x=-1, y=-2}, {x=-1, y=-1}, {x=0, y=-1}, {x=0, y=0} },
+		{ {x=1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=-1, y=0} },
+		{ {x=-1, y=-2}, {x=-1, y=-1}, {x=0, y=-1}, {x=0, y=0} },
+	},
+    [5]={
+		{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=0}, {x=0, y=0} },
+		{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-2}, {x=1, y=-1} },
+		{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=0}, {x=0, y=0} },
+		{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-2}, {x=1, y=-1} },
+	},
+    [6]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+	},
+	[7]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=0, y=-1} },
+		{ {x=0, y=-1}, {x=0, y=0}, {x=1, y=-1}, {x=0, y=-2} },
+		{ {x=0, y=-1}, {x=-1, y=-1}, {x=1, y=-1}, {x=0, y=0} },
+		{ {x=0, y=-1}, {x=0, y=0}, {x=-1, y=-1}, {x=0, y=-2} },
+	},
+	[8]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-2, y=0}, {x=1, y=0} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=0, y=2} },
+		{ {x=0, y=1}, {x=-1, y=1}, {x=-2, y=1}, {x=1, y=1} },
+		{ {x=-1, y=0}, {x=-1, y=-1}, {x=-1, y=1}, {x=-1, y=2} },
+	},
+	[9]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=1, y=-1} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=1, y=1} },
+		{ {x=0, y=0}, {x=1, y=0}, {x=-1, y=0}, {x=-1, y=1} },
+		{ {x=0, y=0}, {x=0, y=1}, {x=0, y=-1}, {x=-1, y=-1} },
+	},
+    [10]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=-1, y=-1} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1} , {x=1, y=-1} },
+		{ {x=0, y=0}, {x=1, y=0}, {x=-1, y=0}, {x=1, y=1} },
+		{ {x=0, y=0}, {x=0, y=1}, {x=0, y=-1}, {x=-1, y=1} },
+	},
+	[11]={
+		{ {x=1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=-1, y=0} },
+		{ {x=1, y=1}, {x=1, y=0}, {x=0, y=0}, {x=0, y=-1} },
+		{ {x=-1, y=1}, {x=0, y=1}, {x=0, y=0}, {x=1, y=0} },
+		{ {x=-1, y=-1}, {x=-1, y=0}, {x=0, y=0}, {x=0, y=1} },
+	},
+    [12]={
+		{ {x=-1, y=-1}, {x=0, y=-1}, {x=0, y=0}, {x=1, y=0} },
+		{ {x=1, y=-1}, {x=1, y=0}, {x=0, y=0}, {x=0, y=1} },
+		{ {x=1, y=1}, {x=0, y=1}, {x=0, y=0}, {x=-1, y=0} },
+		{ {x=-1, y=1}, {x=-1, y=0}, {x=0, y=0}, {x=0, y=-1} },
+	},
+    [13]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=-1, y=0}, {x=-1, y=-1}, {x=0, y=-1} },
+	},
+	[14]={
+		{ {x=0, y=0}, {x=-1, y=0}, {x=1, y=0}, {x=0, y=-1} },
+		{ {x=0, y=0}, {x=0, y=-1}, {x=0, y=1}, {x=1, y=0} },
+		{ {x=0, y=0}, {x=1, y=0}, {x=-1, y=0}, {x=0, y=1} },
+		{ {x=0, y=0}, {x=0, y=1}, {x=0, y=-1}, {x=-1, y=0} },
+	}
+}
+
+MixRS.wallkicks_cw = {{x=1, y=0}, {x=-1, y=0}, {x=0, y=1}, {x=1, y=1}, {x=-1, y=1}}
+MixRS.wallkicks_ccw = {{x=-1, y=0}, {x=1, y=0}, {x=0, y=1}, {x=-1, y=1}, {x=1, y=1}}
+
+function MixRS:ARS(piece, new_piece, rot_dir, grid)
+	
+	local kicks
+	if piece.shape == 6 then
+		return
+	elseif rot_dir == 1 then
+		kicks = MixRS.wallkicks_cw
+	else
+		kicks = MixRS.wallkicks_ccw
+	end
+
+	assert(piece.rotation ~= new_piece.rotation)
+
+	for idx, offset in pairs(kicks) do
+		kicked_piece = new_piece:withOffset(offset)
+		if grid:canPlacePiece(kicked_piece) then
+			self:onPieceRotate(piece, grid)
+			piece:setRelativeRotation(rot_dir)
+			piece:setOffset(offset)
+			return
+		end
+	end
+
+    if (
+        piece.shape == 1 and
+        piece:isDropBlocked(grid) and
+        new_piece.rotation % 2 == 1 and
+        not piece.floorkicked
+    ) then
+		if grid:canPlacePiece(new_piece:withOffset({x=0, y=-1})) then
+			piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-1})
+			piece.floorkicked = true
+			self:onPieceRotate(piece, grid)
+		elseif grid:canPlacePiece(new_piece:withOffset({x=0, y=-2})) then
+			piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-2})
+			piece.floorkicked = true
+			self:onPieceRotate(piece, grid)
+		end
+    elseif (
+        piece.shape == 7
+		and new_piece.rotation == 0
+	    and not piece.floorkicked
+		and piece:isDropBlocked(grid)
+		and grid:canPlacePiece(new_piece:withOffset({x=0, y=-1}))
+    ) then
+		piece.floorkicked = true
+		piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-1})
+		self:onPieceRotate(piece, grid)
+	end
+
+end
+
+MixRS.wallkicks_3x3 = {
+	[0]={
+		[1]={{x=-1, y=0}, {x=-1, y=-1}, {x=0, y=2}, {x=-1, y=2}},
+		[2]={{x=1,y=0},{x=2,y=0},{x=1,y=1},{x=2,y=1},{x=-1,y=0},{x=-2,y=0},{x=-1,y=1},{x=-2,y=1},{x=0,y=-1},{x=3,y=0},{x=-3,y=0}},
+		[3]={{x=1, y=0}, {x=1, y=-1}, {x=0, y=2}, {x=1, y=2}},
+	},
+	[1]={
+		[0]={{x=1, y=0}, {x=1, y=1}, {x=0, y=-2}, {x=1, y=-2}},
+		[2]={{x=1, y=0}, {x=1, y=1}, {x=0, y=-2}, {x=1, y=-2}},
+		[3]={{x=0,y=1},{x=0,y=2},{x=-1,y=1},{x=-1,y=2},{x=0,y=-1},{x=0,y=-2},{x=-1,y=-1},{x=-1,y=-2},{x=1,y=0},{x=0,y=3},{x=0,y=-3}},
+	},
+	[2]={
+		[0]={{x=-1,y=0},{x=-2,y=0},{x=-1,y=-1},{x=-2,y=-1},{x=1,y=0},{x=2,y=0},{x=1,y=-1},{x=2,y=-1},{x=0,y=1},{x=-3,y=0},{x=3,y=0}},
+		[1]={{x=-1, y=0}, {x=-1, y=-1}, {x=0, y=2}, {x=-1, y=2}},
+		[3]={{x=1, y=0}, {x=1, y=-1}, {x=0, y=2}, {x=1, y=2}},
+	},
+	[3]={
+		[0]={{x=-1, y=0}, {x=-1, y=1}, {x=0, y=-2}, {x=-1, y=-2}},
+		[1]={{x=0,y=1},{x=0,y=2},{x=1,y=1},{x=1,y=2},{x=0,y=-1},{x=0,y=-2},{x=1,y=-1},{x=1,y=-2},{x=-1,y=0},{x=0,y=3},{x=0,y=-3}},
+		[2]={{x=-1, y=0}, {x=-1, y=1}, {x=0, y=-2}, {x=-1, y=-2}},
+	},
+}
+
+MixRS.wallkicks_line = {
+	[0]={
+		[1]={{x=-2, y= 0}, {x= 1, y= 0}, {x= 1, y=-2}, {x=-2, y= 1}},
+		[2]={{x=-1,y=0},{x=-2,y=0},{x=1,y=0},{x=2,y=0},{x=0,y=1}},
+		[3]={{x= 2, y= 0}, {x=-1, y= 0}, {x=-1, y=-2}, {x= 2, y= 1}},
+	},
+	[1]={
+		[0]={{x= 2, y= 0}, {x=-1, y= 0}, {x= 2, y=-1}, {x=-1, y= 2}},
+		[2]={{x=-1, y= 0}, {x= 2, y= 0}, {x=-1, y=-2}, {x= 2, y= 1}},
+		[3]={{x=0,y=1},{x=0,y=2},{x=0,y=-1},{x=0,y=-2},{x=-1,y=0}},
+	},
+	[2]={
+		[0]={{x=1,y=0},{x=2,y=0},{x=-1,y=0},{x=-2,y=0},{x=0,y=-1}},
+		[1]={{x=-2, y= 0}, {x= 1, y= 0}, {x=-2, y=-1}, {x= 1, y= 1}},
+		[3]={{x= 2, y= 0}, {x=-1, y= 0}, {x= 2, y=-1}, {x=-1, y= 1}},
+	},
+	[3]={
+		[0]={{x=-2, y= 0}, {x= 1, y= 0}, {x=-2, y=-1}, {x= 1, y= 2}},
+		[1]={{x=0,y=1},{x=0,y=2},{x=0,y=-1},{x=0,y=-2},{x=1,y=0}},
+		[2]={{x= 1, y= 0}, {x=-2, y= 0}, {x= 1, y=-2}, {x=-2, y= 1}},
+	},
+}
+
+function MixRS:SRS(piece, new_piece, rot_dir, grid)
+
+	local kicks
+	if piece.shape == 13 then
+		return
+	elseif piece.shape == 8 then
+		kicks = MixRS.wallkicks_line[piece.rotation][new_piece.rotation]
+	else
+		kicks = MixRS.wallkicks_3x3[piece.rotation][new_piece.rotation]
+	end
+
+	for idx, offset in pairs(kicks) do
+		kicked_piece = new_piece:withOffset(offset)
+		if grid:canPlacePiece(kicked_piece) then
+			piece:setRelativeRotation(rot_dir)
+			piece:setOffset(offset)
+			self:onPieceRotate(piece, grid, offset.y < 0)
+			return
+		end
+	end
+
+end
+
+function MixRS:attemptWallkicks(piece, new_piece, rot_dir, grid)
+    if piece.shape >= 8 then
+        self:SRS(piece, new_piece, rot_dir, grid)
+    else
+        self:ARS(piece, new_piece, rot_dir, grid)
+    end
+end
+
+function MixRS:onPieceDrop(piece) piece.lock_delay = 0 end
+function MixRS:onPieceMove(piece)
+    if piece.shape >= 8 then
+        piece.lock_delay = 0
+    end
+end
+function MixRS:onPieceRotate(piece)
+    if piece.shape >= 8 then
+        piece.lock_delay = 0
+    end
+end
+
+function MixRS:getDefaultOrientation(shape)
+    if shape >= 8 then
+        return 1
+    else
+        return 3
+    end
+end
+
+return MixRS
\ No newline at end of file