diff --git a/tetris/rulesets/arika_ace.lua b/tetris/rulesets/arika_ace.lua
new file mode 100755
index 0000000..c8f4d55
--- /dev/null
+++ b/tetris/rulesets/arika_ace.lua
@@ -0,0 +1,163 @@
+local Piece = require 'tetris.components.piece'
+local Ruleset = require 'tetris.rulesets.ruleset'
+
+local ARS = Ruleset:extend()
+
+ARS.name = "ACE-ARS"
+ARS.hash = "ArikaACE"
+
+ARS.spawn_positions = {
+	I = { x=5, y=4 },
+	J = { x=4, y=5 },
+	L = { x=4, y=5 },
+	O = { x=5, y=5 },
+	S = { x=4, y=5 },
+	T = { x=4, y=5 },
+	Z = { x=4, y=5 },
+}
+
+ARS.big_spawn_positions = {
+	I = { x=2, y=2 },
+	J = { x=2, y=3 },
+	L = { x=2, y=3 },
+	O = { x=2, y=3 },
+	S = { x=2, y=3 },
+	T = { x=2, y=3 },
+	Z = { x=2, y=3 },
+}
+
+ARS.block_offsets = {
+	I={
+		{ {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} },
+	},
+	J={
+		{ {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} },
+	},
+	L={
+		{ {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} },
+	},
+	O={
+		{ {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} },
+	},
+	S={
+		{ {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} },
+	},
+	T={
+		{ {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} },
+	},
+	Z={
+		{ {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} },
+	}
+}
+
+
+-- Component functions.
+
+function ARS:attemptWallkicks(piece, new_piece, rot_dir, grid)
+
+	-- O doesn't kick
+	if (piece.shape == "O") then return end
+
+	-- center column rule
+	if (
+		piece.shape == "J" or piece.shape == "T" or piece.shape == "L"
+	) and (
+		piece.rotation == 0 or piece.rotation == 2
+	) and (
+		grid:isOccupied(piece.position.x, piece.position.y) or
+		grid:isOccupied(piece.position.x, piece.position.y - 1) or
+		grid:isOccupied(piece.position.x, piece.position.y - 2)
+	) then return end
+
+	if piece.shape == "I" then
+		-- special kick rules for I
+		if new_piece.rotation == 0 or new_piece.rotation == 2 then
+			-- kick right, right2, left
+			if grid:canPlacePiece(new_piece:withOffset({x=1, y=0})) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=1, y=0})
+				self:onPieceRotate(piece, grid)
+			elseif grid:canPlacePiece(new_piece:withOffset({x=2, y=0})) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=2, y=0})
+				self:onPieceRotate(piece, grid)
+			elseif grid:canPlacePiece(new_piece:withOffset({x=-1, y=0})) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=-1, y=0})
+				self:onPieceRotate(piece, grid)
+			end
+		elseif piece:isDropBlocked(grid) and (new_piece.rotation == 1 or new_piece.rotation == 3) and piece.floorkick == 0 then
+			-- kick up, up2
+			if grid:canPlacePiece(new_piece:withOffset({x=0, y=-1})) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-1})
+				self:onPieceRotate(piece, grid)
+				piece.floorkick = 1
+			elseif grid:canPlacePiece(new_piece:withOffset({x=0, y=-2})) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=0, y=-2})
+				self:onPieceRotate(piece, grid)
+				piece.floorkick = 1
+			end
+		end
+	elseif piece.shape ~= "I" then
+			-- kick right, kick left
+			if (grid:canPlacePiece(new_piece:withOffset({x=1, y=0}))) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=1, y=0})
+			elseif (grid:canPlacePiece(new_piece:withOffset({x=-1, y=0}))) then
+				piece:setRelativeRotation(rot_dir):setOffset({x=-1, y=0})
+			end
+		else
+	end
+
+end
+
+function ARS:onPieceCreate(piece, grid)
+	piece.floorkick = 0
+	piece.manipulations = 0
+end
+
+function ARS:onPieceDrop(piece, grid)
+	piece.lock_delay = 0 -- step reset
+end
+
+function ARS:onPieceMove(piece, grid)
+	piece.lock_delay = 0 -- move reset
+	if piece:isDropBlocked(grid) then
+		piece.manipulations = piece.manipulations + 1
+		if piece.manipulations >= 127 then
+			piece.locked = true
+		end
+	end
+end
+
+function ARS:onPieceRotate(piece, grid)
+	piece.lock_delay = 0 -- rotate reset
+	if piece:isDropBlocked(grid) then
+		piece.manipulations = piece.manipulations + 1
+		if piece.manipulations >= 127 then
+			piece.locked = true
+		end
+	end
+end
+
+function ARS:get180RotationValue() return config["reverse_rotate"] and 1 or 3 end
+function ARS:getDefaultOrientation() return 3 end  -- downward facing pieces by default
+
+return ARS