diff --git a/tetris/modes/ck.lua b/tetris/modes/ck.lua
index c0582f0..ec5e8df 100644
--- a/tetris/modes/ck.lua
+++ b/tetris/modes/ck.lua
@@ -104,12 +104,8 @@ function SurvivalCKGame:getRegretTime()
 	else return frameTime(0,30) end
 end
 
-function SurvivalCKGame:getNextPiece(ruleset)
-	return {
-		skin = self.level >= 2000 and "bone" or "2tie",
-		shape = self.randomizer:nextPiece(),
-		orientation = ruleset:getDefaultOrientation(),
-	}
+function SurvivalCKGame:getSkin()
+	return self.level >= 2000 and "bone" or "2tie"
 end
 
 local torikan_times = {300, 330, 360, 390, 420, 450, 478, 504, 528, 550, 570}
diff --git a/tetris/modes/joker.lua b/tetris/modes/joker.lua
index aa2d102..bd62572 100644
--- a/tetris/modes/joker.lua
+++ b/tetris/modes/joker.lua
@@ -7,6 +7,8 @@ local DTETRandomizer = require 'tetris.randomizers.dtet'
 
 local JokerGame = GameMode:extend()
 
+local rush = false
+
 JokerGame.name = "Final J"
 JokerGame.hash = "Joker"
 JokerGame.tagline = "One of the hardest modes! Can you retain your stock to level 300?"
@@ -33,7 +35,10 @@ end
 
 function JokerGame:getLineARE() return self:getARE() end
 function JokerGame:getDasLimit() return 6 end
-function JokerGame:getARR() return math.min(1, config.arr) end
+
+function JokerGame:getARR()
+	return rush and 0 or 1
+end
 
 function JokerGame:getLineClearDelay()
 	if self.level < 200 then return math.ceil(6 - (self.level - 50) / 50)
@@ -47,10 +52,14 @@ end
 
 function JokerGame:getGravity() return 20 end
 
-function JokerGame:advanceOneFrame()
+function JokerGame:advanceOneFrame(inputs, ruleset)
 	if self.ready_frames == 0 then
 		self.frames = self.frames + 1
 		self.time_limit = self.time_limit - 1
+	else
+		if not self.prev_inputs.hold and inputs.hold then
+			rush = not rush
+		end
 	end
 	if self.time_limit <= 0 then self.game_over = true end
 	return true
@@ -100,6 +109,12 @@ function JokerGame:drawScoringInfo()
 	love.graphics.setColor(1, 1, 1, 1)
 	love.graphics.printf(self.level, 240, 220, 90, "left")
 	love.graphics.printf(math.max(self.stock, 0), 240, 300, 90, "left")
+	if (self.ready_frames ~= 0) then
+		love.graphics.printf(
+			"RUSH: " .. (rush and "ON" or "OFF"),
+			64, 110, 160, "center"
+		)
+	end
 
 	love.graphics.setFont(font_8x11)
 	love.graphics.printf(formatTime(self.frames), 64, 420, 160, "center")
diff --git a/tetris/randomizers/history.lua b/tetris/randomizers/history.lua
index cfa394a..7052915 100644
--- a/tetris/randomizers/history.lua
+++ b/tetris/randomizers/history.lua
@@ -3,7 +3,8 @@ local Randomizer = require 'tetris.randomizers.randomizer'
 local HistoryRandomizer = Randomizer:extend()
 
 function HistoryRandomizer:new(history_length, rolls, allowed_pieces)
-    self.history = {}
+	self.super:new()
+	self.history = {}
     for i = 1, history_length do
         table.insert(self.history, '')
     end
diff --git a/tetris/rulesets/dtet.lua b/tetris/rulesets/dtet.lua
index 59137b2..13599e7 100644
--- a/tetris/rulesets/dtet.lua
+++ b/tetris/rulesets/dtet.lua
@@ -79,6 +79,36 @@ DTET.block_offsets = {
 DTET.wallkicks_cw = {{x=1, y=0}, {x=-1, y=0}, {x=0, y=1}, {x=1, y=1}, {x=-1, y=1}}
 DTET.wallkicks_ccw = {{x=-1, y=0}, {x=1, y=0}, {x=0, y=1}, {x=-1, y=1}, {x=1, y=1}}
 
+function DTET:attemptRotate(new_inputs, piece, grid, initial)
+	local rot_dir = 0
+	
+	if (new_inputs["rotate_180"]) or
+	(new_inputs["rotate_left"] and new_inputs["rotate_right"]) or
+	(new_inputs["rotate_left2"] and new_inputs["rotate_right2"]) then
+		rot_dir = self:get180RotationValue()
+	elseif (new_inputs["rotate_left"] or new_inputs["rotate_left2"]) then
+		rot_dir = 3
+	elseif (new_inputs["rotate_right"] or new_inputs["rotate_right2"]) then
+		rot_dir = 1
+	end
+
+	if rot_dir == 0 then return end
+    if config.gamesettings.world_reverse == 3 or (self.world and config.gamesettings.world_reverse == 2) then
+        rot_dir = 4 - rot_dir
+    end
+
+	local new_piece = piece:withRelativeRotation(rot_dir)
+
+	if (grid:canPlacePiece(new_piece)) then
+		piece:setRelativeRotation(rot_dir)
+		self:onPieceRotate(piece, grid)
+	else
+		if not(initial and self.enable_IRS_wallkicks == false) then
+			self:attemptWallkicks(piece, new_piece, rot_dir, grid)
+		end
+	end
+end
+
 function DTET:attemptWallkicks(piece, new_piece, rot_dir, grid)
 	
 	local kicks