diff --git a/tetris/modes/survival_axh.lua b/tetris/modes/survival_axh.lua
new file mode 100644
index 0000000..6683967
--- /dev/null
+++ b/tetris/modes/survival_axh.lua
@@ -0,0 +1,119 @@
+local SurvivalAXGame = require 'tetris.modes.survival_ax'
+
+local SurvivalAXHGame = SurvivalAXGame:extend()
+
+SurvivalAXHGame.name = "Survival AXH"
+SurvivalAXHGame.hash = "SurvivalAXH"
+SurvivalAXHGame.tagline = "An old Heboris mode! The field slowly hides itself!"
+
+function SurvivalAXHGame:new()
+    SurvivalAXGame:new()
+    self.hidden_timer = 0
+    self.hidden_rows = 0
+end
+
+function SurvivalAXHGame:getARE() return 3 end
+function SurvivalAXHGame:getLineARE() return 3 end
+function SurvivalAXHGame:getLineClearDelay() return 3 end
+function SurvivalAXHGame:getLockDelay() return 11 end
+function SurvivalAXHGame:getDasLimit() return 7 end
+
+function SurvivalAXHGame:getSkin()
+    return self.lines >= 150 and "bone" or "2tie"
+end
+
+function SurvivalAXHGame:getHiddenDelay()
+    if (self.lines >= 50 and self.lines < 70) then
+        return 30 * self.hidden_rows + 45
+    elseif (self.lines >= 70 and self.lines < 150) then
+        return 10 * self.hidden_rows + 30
+    end
+end
+
+function SurvivalAXHGame:getSectionTimeLimit()
+    return ({
+        [0] = 1800, 1800, 1800, 1800, 1800, 1500, 1500, 1500, 1500, 1500,
+		1200, 1200, 1200, 1020, 900, 1200, 1020, 900, 840, 840, 840
+    })[math.floor(self.lines / 10)]
+end
+
+function SurvivalAXHGame:advanceOneFrame()
+	if self.ready_frames == 0 then
+		if not self.section_clear then
+			self.frames = self.frames + 1
+            if self:getHiddenDelay() then
+                self.hidden_timer = self.hidden_timer + 1
+                if self.hidden_timer >= self:getHiddenDelay() then
+                    self.hidden_timer = 0
+                    self.hidden_rows = math.min(self.hidden_rows + 1, 19)
+                end
+            end
+		end
+		if self:getSectionTime() >= self:getSectionTimeLimit() then
+			self.game_over = true
+		end
+	end
+	return true
+end
+
+function SurvivalAXHGame:onLineClear(cleared_row_count)
+	if not self.clear then
+        local new_lines = self.lines + cleared_row_count
+		self:updateSectionTimes(self.lines, new_lines)
+		self.lines = math.min(new_lines, 200)
+        self.hidden_rows = math.max(0, self.hidden_rows - cleared_row_count)
+		if self.lines == 200 then
+			self.grid:clear()
+			self.clear = true
+			self.completed = true
+		end
+	end
+end
+
+function SurvivalAXHGame:drawGrid()
+    self.grid:drawOutline()
+    if self:getHiddenDelay() then
+        for i = 1, self.hidden_rows do
+            for j = 1, 10 do
+                love.graphics.draw(blocks["2tie"]["F"], 48+j*16, (24-i+1)*16)
+            end
+        end
+    end
+end
+
+function SurvivalAXHGame:drawScoringInfo()
+	SurvivalAXGame.super.drawScoringInfo(self)
+
+	love.graphics.setColor(1, 1, 1, 1)
+
+	love.graphics.setFont(font_3x5_2)
+	love.graphics.print(
+		self.das.direction .. " " ..
+		self.das.frames .. " " ..
+		strTrueValues(self.prev_inputs)
+	)
+	love.graphics.printf("NEXT", 64, 40, 40, "left")
+	if self.lines < 200 then love.graphics.printf("TIME LEFT", 240, 250, 80, "left") end
+	love.graphics.printf("LINES", 240, 320, 40, "left")
+
+	local current_section = math.floor(self.lines / 10) + 1
+	self:drawSectionTimesWithSplits(current_section)
+
+	love.graphics.setFont(font_3x5_3)
+	love.graphics.printf(self.lines, 240, 340, 40, "right")
+	love.graphics.printf(self.clear and self.lines or self:getSectionEndLines(), 240, 370, 40, "right")
+
+	-- draw time left, flash red if necessary
+	local time_left = self:getSectionTimeLimit() - math.max(self:getSectionTime(), 0)
+	if not self.game_over and not self.clear and time_left < frameTime(0,10) and time_left % 4 < 2 then
+		love.graphics.setColor(1, 0.3, 0.3, 1)
+	end
+	if self.lines < 200 then love.graphics.printf(formatTime(time_left), 240, 270, 160, "left") end
+	love.graphics.setColor(1, 1, 1, 1)
+end
+
+function SurvivalAXHGame:getBackground()
+    return math.min(math.floor(self.lines / 10), 19)
+end
+
+return SurvivalAXHGame
\ No newline at end of file