Fixed the last of the hard drop safelocks...

tetris/modes/big_a2.lua

@@ -27,6 +27,7 @@ function MarathonA2Game:new()
 	self.randomizer = History6RollsRandomizer()
 
 	self.lock_drop = false
+	self.lock_hard_drop = false
 	self.enable_hold = false
 	self.next_queue_length = 1
 end
@@ -124,7 +125,8 @@ function MarathonA2Game:onLineClear(cleared_row_count)
 		self.grid:clear()
 		self.roll_frames = -150
 	end
-	if self.level >= 900 then self.lock_drop = true end
+	self.lock_drop = self.level >= 900
+	self.lock_hard_drop = self.level >= 900
 end
 
 function MarathonA2Game:updateScore(level, drop_bonus, cleared_lines)

tetris/modes/marathon_ax4.lua

@@ -24,6 +24,7 @@ function MarathonAX4Game:new()
 	self.section_clear = false
 
 	self.lock_drop = true
+	self.lock_hard_drop = true
 	self.enable_hold = true
 	self.next_queue_length = 3
 end

tetris/modes/survival_2020.lua

@@ -27,6 +27,7 @@ function Survival2020Game:new()
 	self.randomizer = History6RollsRandomizer()
 
 	self.lock_drop = true
+	self.lock_hard_drop = true
 	self.enable_hold = true
 	self.next_queue_length = 3
 end