diff --git a/source/data.fnl b/source/data.fnl
index 64c67f8..a4ab1e3 100644
--- a/source/data.fnl
+++ b/source/data.fnl
@@ -29,6 +29,8 @@
 ;; 045:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
 ;; 046:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
 ;; 047:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
+;; 053:0000000000000033000000330000033000000330000033000003330000033300
+;; 054:0000000000033000000330000033300003333000033300000330000033300000
 ;; 059:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee00ee0000000000000000000000000
 ;; 060:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee00ee0000000000000000000000000
 ;; 061:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
@@ -36,8 +38,8 @@
 ;; 063:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
 ;; 067:0000000000000000000000000300000003000000033000000330000003330000
 ;; 068:0000000003300000033300000033300000033300000033000000333000000330
-;; 069:0000300000003300000033000000333000003330000033300000033000000330
-;; 070:3000000033000000333000000333300000033300000033300000333000003330
+;; 069:0003330000033330000033300000333000003330000033300000033000000330
+;; 070:3330000033330000333300000333300000033300000033300000333000003330
 ;; 077:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee00ee0000000000000000000000000
 ;; 078:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee00ee0000000000000000000000000
 ;; 079:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee00ee0000000000000000000000000
@@ -251,3 +253,4 @@
 ;; <PALETTE>
 ;; 000:141428fa0c36bbcc5218282c00ff000c0c10202d518e2e913c405591142c5d8161599dcaf2f4f60cff08201834f661ba
 ;; </PALETTE>
+
diff --git a/source/main.fnl b/source/main.fnl
index a145e5d..753b641 100644
--- a/source/main.fnl
+++ b/source/main.fnl
@@ -45,10 +45,10 @@
       (= axis :y) (+ p0 (* *cam*.y factor))))
 
 ;; Draws a sprite that loops in the x and y axis
-(fn loop-spr [id x y w h pfactor ?colorkey]
+(fn loop-spr [id x y w h pfactor ?colorkey ?flip]
   (spr id (- (% (parallax x pfactor :x) (+ 240 (* w 8))) (* w 8))
           (- (% (parallax y pfactor :y) (+ 136 (* h 8))) (* h 8)) 
-          (or ?colorkey 0) 1 0 0 w h))
+          (or ?colorkey 0) 1 (or ?flip 0) 0 w h))
 
 ;; Shortcut for math.random
 (fn r [a b]
@@ -1451,9 +1451,21 @@
   (loop-spr 11 280 70 5 5 pfactor)
   (loop-spr 9 120 68 2 3 pfactor))
 
+;; Draws algae with a parallax factor pfactor
+;; 67 68 69 70
+;; 51 52 53 54
+(fn draw-algae [pfactor]
+  (local positions [ 0 15 32 39 47 56 62 79 83 98 107 113 125 132 147 153 165 169 177 182 189 198 213 224 232 240  ])
+  (local sprites [ 51 54 51 52 52 53 54 51 54 53 51 53 51 53 54 52 54 52 51 60 54 78 79 51 52 54 ])
+
+  (for [i 1 (math.min (length positions) (length sprites)) 1]
+    (local pos (. positions i))
+    (loop-spr (. sprites i) pos (+ 136 (% pos 8)) 1 5 pfactor 0 (% pos 2))))
+
 ;; Draws background decoration
 (fn draw-bg []
   (draw-cave-bg 0.1)
+  (draw-algae 0.6)
   (*bg-bubbles*:update))
 
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