diff --git a/tetris/components/grid.lua b/tetris/components/grid.lua
index a1d10d6..d1702ed 100644
--- a/tetris/components/grid.lua
+++ b/tetris/components/grid.lua
@@ -268,7 +268,11 @@ function Grid:draw()
 					love.graphics.setColor(1, 1, 1, 1)
 					love.graphics.draw(blocks[self.grid[y][x].skin]["F"], 48+x*16, y*16)
 				else
-					love.graphics.setColor(0.5, 0.5, 0.5, 1)
+					if self.grid[y][x].skin == "bone" then
+						love.graphics.setColor(1, 1, 1, 1)
+					else 
+						love.graphics.setColor(0.5, 0.5, 0.5, 1)
+					end
 					love.graphics.draw(blocks[self.grid[y][x].skin][self.grid[y][x].colour], 48+x*16, y*16)
 				end
 				if self.grid[y][x].skin ~= "bone" then
diff --git a/tetris/modes/ck.lua b/tetris/modes/ck.lua
index d15a54b..f1527cc 100644
--- a/tetris/modes/ck.lua
+++ b/tetris/modes/ck.lua
@@ -22,6 +22,7 @@ function SurvivalCKGame:new()
 
 	self.randomizer = History6RollsRandomizer()
 
+	self.lock_drop = true
 	self.enable_hold = true
 	self.next_queue_length = 3
 
@@ -153,11 +154,11 @@ function SurvivalCKGame:onLineClear(cleared_row_count)
 		local new_level = self.level + cleared_row_count * 2
 		self:updateSectionTimes(self.level, new_level)
 		if new_level >= 2500 or self:hitTorikan(self.level, new_level) then
-					self.clear = true
+			self.clear = true
 			if new_level >= 2500 then
 				self.level = 2500
-						self.grid:clear()
-						self.big_mode = true
+				self.grid:clear()
+				self.big_mode = true
 				self.roll_frames = -150
 			end
 		else
@@ -217,11 +218,11 @@ function SurvivalCKGame:drawGrid()
 	elseif self.level >= 1600 and self.level < 1700 then
 		self.grid:drawInvisible(self.rollOpacityFunction2)
 	elseif self.level >= 1700 and self.level < 1800 then
-				self.grid:drawInvisible(self.rollOpacityFunction3)
+		self.grid:drawInvisible(self.rollOpacityFunction3)
 	elseif self.level >= 1800 and self.level < 1900 then
-				self.grid:drawInvisible(self.rollOpacityFunction4)
+		self.grid:drawInvisible(self.rollOpacityFunction4)
 	elseif self.level >= 1900 and self.level < 2000 then
-				self.grid:drawInvisible(self.rollOpacityFunction5)
+		self.grid:drawInvisible(self.rollOpacityFunction5)
 	else
 		self.grid:draw()
 	end
diff --git a/tetris/rulesets/ruleset.lua b/tetris/rulesets/ruleset.lua
index f7039ea..7af8673 100644
--- a/tetris/rulesets/ruleset.lua
+++ b/tetris/rulesets/ruleset.lua
@@ -34,6 +34,8 @@ function Ruleset:new()
 		C = love.graphics.newImage("res/img/bone.png"),
 		B = love.graphics.newImage("res/img/bone.png"),
 		M = love.graphics.newImage("res/img/bone.png"),
+		F = love.graphics.newImage("res/img/bone.png"),
+		A = love.graphics.newImage("res/img/bone.png"),
 		X = love.graphics.newImage("res/img/bone.png"),
 	} or {
 		R = love.graphics.newImage("res/img/bonew.png"),
@@ -43,6 +45,8 @@ function Ruleset:new()
 		C = love.graphics.newImage("res/img/bonew.png"),
 		B = love.graphics.newImage("res/img/bonew.png"),
 		M = love.graphics.newImage("res/img/bonew.png"),
+		F = love.graphics.newImage("res/img/bonew.png"),
+		A = love.graphics.newImage("res/img/bonew.png"),
 		X = love.graphics.newImage("res/img/bonew.png"),
 	}
 end