diff --git a/load/graphics.lua b/load/graphics.lua
index 066ce72..893bb1b 100644
--- a/load/graphics.lua
+++ b/load/graphics.lua
@@ -1,24 +1,4 @@
 backgrounds = {
-	[0] = love.graphics.newImage("res/backgrounds/0.png"),
-	love.graphics.newImage("res/backgrounds/100.png"),
-	love.graphics.newImage("res/backgrounds/200.png"),
-	love.graphics.newImage("res/backgrounds/300.png"),
-	love.graphics.newImage("res/backgrounds/400.png"),
-	love.graphics.newImage("res/backgrounds/500.png"),
-	love.graphics.newImage("res/backgrounds/600.png"),
-	love.graphics.newImage("res/backgrounds/700.png"),
-	love.graphics.newImage("res/backgrounds/800.png"),
-	love.graphics.newImage("res/backgrounds/900.png"),
-	love.graphics.newImage("res/backgrounds/1000.png"),
-	love.graphics.newImage("res/backgrounds/1100.png"),
-	love.graphics.newImage("res/backgrounds/1200.png"),
-	love.graphics.newImage("res/backgrounds/1300.png"),
-	love.graphics.newImage("res/backgrounds/1400.png"),
-	love.graphics.newImage("res/backgrounds/1500.png"),
-	love.graphics.newImage("res/backgrounds/1600.png"),
-	love.graphics.newImage("res/backgrounds/1700.png"),
-	love.graphics.newImage("res/backgrounds/1800.png"),
-	love.graphics.newImage("res/backgrounds/1900.png"),
 	title = love.graphics.newImage("res/backgrounds/title.png"),
 	title_no_icon = love.graphics.newImage("res/backgrounds/title-no-icon.jpg"),
 	title_night = love.graphics.newImage("res/backgrounds/title-night.jpg"),
@@ -27,6 +7,13 @@ backgrounds = {
 	game_config = love.graphics.newImage("res/backgrounds/options-game.png"),
 }
 
+local i = 0
+local bgpath = "res/backgrounds/%d.png"
+while love.filesystem.getInfo(bgpath:format(i*100)) do
+	backgrounds[i] = love.graphics.newImage(bgpath:format(i*100))
+	i = i + 1
+end
+
 -- in order, the colors are:
 -- red, orange, yellow, green, cyan, blue
 -- magenta (or purple), white, black
diff --git a/tetris/modes/gamemode.lua b/tetris/modes/gamemode.lua
index 5928888..a24e1a5 100644
--- a/tetris/modes/gamemode.lua
+++ b/tetris/modes/gamemode.lua
@@ -979,9 +979,11 @@ function GameMode:drawSectionTimesWithSplits(current_section, section_limit)
 end
 
 function GameMode:drawBackground()
+	local id = self:getBackground()
+	if type(id) == "number" then id = clamp(id, 0, #backgrounds) end
 	love.graphics.setColor(1, 1, 1, 1)
 	love.graphics.draw(
-		backgrounds[self:getBackground()],
+		backgrounds[id],
 		0, 0, 0,
 		0.5, 0.5
 	)