diff --git a/assets/audio/sfx/explode.ogg b/assets/audio/sfx/explode.ogg
new file mode 100644
index 0000000..80b4caa
Binary files /dev/null and b/assets/audio/sfx/explode.ogg differ
diff --git a/assets/sprites/header/moneyflash.png b/assets/sprites/header/moneyflash.png
new file mode 100644
index 0000000..f6e262a
Binary files /dev/null and b/assets/sprites/header/moneyflash.png differ
diff --git a/assets/sprites/header/optionsbutton_down.png b/assets/sprites/header/optionsbutton_down.png
new file mode 100644
index 0000000..533ac1e
Binary files /dev/null and b/assets/sprites/header/optionsbutton_down.png differ
diff --git a/assets/sprites/header/optionsbutton_hover.png b/assets/sprites/header/optionsbutton_hover.png
new file mode 100644
index 0000000..d0090e4
Binary files /dev/null and b/assets/sprites/header/optionsbutton_hover.png differ
diff --git a/constructors.lua b/constructors.lua
index 500b5cf..b6e5ca9 100644
--- a/constructors.lua
+++ b/constructors.lua
@@ -11,6 +11,7 @@ function self.fish(x, y, type)
     eattimer = 0 + math.random() * 2, -- starts out hungry, with a 2s delay
     moneytimer = 10 + math.random() * 5, -- min 10s before it can make money
     dead = false,
+    star = false,
 
     lifetime = 0,
 
@@ -54,7 +55,7 @@ function self.food(x, y, type)
     speed = 0.2,
     time = math.random(),
     deathtimer = 0,
-    type = type
+    type = type -- 1 = tier 1, 2 = tier 2, 3 = tier 3, 4 = star potion
   }
 
   return food
diff --git a/scenes/gameplay/draw/fish.lua b/scenes/gameplay/draw/fish.lua
index 7e2ef5e..fe6724c 100644
--- a/scenes/gameplay/draw/fish.lua
+++ b/scenes/gameplay/draw/fish.lua
@@ -65,11 +65,24 @@ return function(feesh, spritescale, fishsprite)
     local sadsheet = fishsprite(size, true, anim)
 
     local alpha = n.render.hungry == 1 and 0 or 1
-    love.graphics.setColor(1, 1, 1, alpha - n.render.deathanim)
+    local allalpha = 1
+    if n.star then allalpha = 0.8 end
+    love.graphics.setColor(1, 1, 1, (alpha - n.render.deathanim) * allalpha)
     love.graphics.draw(sheet.spriteSheet, sheet.quads[math.max(math.min(frame, #sample.quads), 1)], x, y, angle, sizex * spritescale, spritescale, sample.width/2, sample.height/2)
-    love.graphics.setColor(1, 1, 1, n.render.hungry - n.render.deathanim)
+    love.graphics.setColor(1, 1, 1, (n.render.hungry - n.render.deathanim) * allalpha)
     love.graphics.draw(sadsheet.spriteSheet, sheet.quads[math.max(math.min(frame, #sample.quads), 1)], x, y, angle, sizex * spritescale, spritescale, sample.width/2, sample.height/2)
 
+    if n.star then
+      local mult = (math.sin(love.timer.getTime() / 4) / 2 + 0.5) * 0.1 + 0.9
+
+      love.graphics.setBlendMode('add')
+      love.graphics.setColor(1, 1, 1, (alpha - n.render.deathanim) * mult)
+      love.graphics.draw(sheet.spriteSheet, sheet.quads[math.max(math.min(frame, #sample.quads), 1)], x, y, angle, sizex * spritescale, spritescale, sample.width/2, sample.height/2)
+      love.graphics.setColor(1, 1, 1, (n.render.hungry - n.render.deathanim) * mult)
+      love.graphics.draw(sadsheet.spriteSheet, sheet.quads[math.max(math.min(frame, #sample.quads), 1)], x, y, angle, sizex * spritescale, spritescale, sample.width/2, sample.height/2)
+      love.graphics.setBlendMode('alpha')
+    end
+
     love.graphics.setColor(1, 1, 1)
     if debug then love.graphics.print(shrt(n.eattimer), x + 20, y + 20) end
 
diff --git a/scenes/gameplay/draw/food.lua b/scenes/gameplay/draw/food.lua
index 99d0a2e..e79e074 100644
--- a/scenes/gameplay/draw/food.lua
+++ b/scenes/gameplay/draw/food.lua
@@ -1,7 +1,11 @@
-return function(food, sheets, spritescale)
+local sheetNames = {
+  'food1', 'food2', 'food3', 'potion'
+}
+
+return function(food, sheets, spritescale, starpotionequipped)
   local sw, sh = love.graphics.getDimensions()
   for _,f in ipairs(food) do
-    local sheet = sheets['food' .. (f.type)]
+    local sheet = sheets[sheetNames[f.type]]
     local x = f.x * sw
     local y = f.y * sh
     local frame = math.floor((f.time%1) * #sheet.quads) + 1
@@ -10,4 +14,10 @@ return function(food, sheets, spritescale)
 
     love.graphics.draw(sheet.spriteSheet, sheet.quads[math.max(math.min(frame, #sheet.quads), 1)], x, y, 0, spritescale, spritescale, sheet.width/2, sheet.height/2)
   end
+
+  if starpotionequipped then
+    local sheet = sheets.potion
+    love.graphics.setColor(1, 1, 1, 0.8)
+    love.graphics.draw(sheet.spriteSheet, sheet.quads[1], love.mouse.getX(), love.mouse.getY(), 0, spritescale, spritescale, sheet.width/2, sheet.height/2)
+  end
 end
\ No newline at end of file
diff --git a/scenes/gameplay/draw/header.lua b/scenes/gameplay/draw/header.lua
index 07c4e09..972d02c 100644
--- a/scenes/gameplay/draw/header.lua
+++ b/scenes/gameplay/draw/header.lua
@@ -1,4 +1,4 @@
-return function(headerheight, fishsprite, headerbuttons, sheets, balance)
+return function(headerheight, fishsprite, headerbuttons, sheets, balance, moneyflashtimer)
   local sw, sh = love.graphics.getDimensions()
   local base = sprites['header/base']
   local size = headerheight / HEADER_HEIGHT
@@ -68,6 +68,12 @@ return function(headerheight, fishsprite, headerbuttons, sheets, balance)
 
           love.graphics.setColor(0, 1, 0)
           love.graphics.printf(btn.tier + 1, round(x * size), round(y * size + offset*0.75 - fonts.continuum:getHeight()/2), round(sprites['header/buttonbg']:getWidth() * size), 'center')
+        elseif btn.sprite == 'starpotion' then
+          local sheet = sheets.potion
+
+          local scale = (sprites['header/buttonbg']:getWidth() / sheet.width) * 0.65
+          local offset = (sprites['header/buttonbg']:getWidth() * size) / 2
+          love.graphics.draw(sheet.spriteSheet, sheet.quads[1], x * size + offset, y * size + offset*0.75, 0, size * scale, size * scale, sheet.width/2, sheet.width/2)
         end
 
         -- price
@@ -101,11 +107,13 @@ return function(headerheight, fishsprite, headerbuttons, sheets, balance)
   end
 
   -- money count
+  if love.timer.getTime() % 0.25 < 0.125 and moneyflashtimer > 0 then love.graphics.draw(sprites['header/moneyflash'], sw * 0.851, (HEADER_HEIGHT - 29) * size, 0, size, size) end
   love.graphics.setFont(fonts.continuum)
   love.graphics.setColor(179/255, 254/255, 89/255)
   local leftpad = 100
-  love.graphics.printf(balance, round(sw * 0.965 - leftpad), round(HEADER_HEIGHT - 25), leftpad, 'right')
+  love.graphics.printf(balance, round(sw * 0.965 - leftpad), round((HEADER_HEIGHT - 25) * size), leftpad, 'right')
 
+  -- tooltips
   if tooltipText then
     love.graphics.setColor(254/255, 254/255, 199/255)
     love.graphics.rectangle('fill', round(tooltipx - 5), round(tooltipy - 5), round(tooltipText:getWidth() + 10), round(tooltipText:getHeight() + 10))
diff --git a/scenes/gameplay/main.lua b/scenes/gameplay/main.lua
index 1c00aa2..c776d49 100644
--- a/scenes/gameplay/main.lua
+++ b/scenes/gameplay/main.lua
@@ -11,6 +11,9 @@ local balance = 100
 local foodtier = 1
 local foodcount = 1
 
+local starpotionequipped = false
+local moneyflashtimer = 0
+
 local headerbuttons = {
   {
     cost = 100,
@@ -73,6 +76,17 @@ local headerbuttons = {
       playSound('splash', 0.7, 0.8)
       table.insert(feesh, constr.fish(math.random(), 0.3, 4))
     end
+  },
+  {
+    cost = 250,
+    sprite = 'starpotion',
+    tooltip = 'buy star potion',
+    openanim = 1,
+    open = true,
+    closed = false,
+    func = function()
+      starpotionequipped = true
+    end
   }
 }
 
@@ -94,6 +108,7 @@ function self.load()
   sheets.food1 = newAnimation(sprites['food/1'], sprites['food/1']:getWidth()/10, sprites['food/1']:getHeight())
   sheets.food2 = newAnimation(sprites['food/2'], sprites['food/2']:getWidth()/10, sprites['food/2']:getHeight())
   sheets.food3 = newAnimation(sprites['food/3'], sprites['food/3']:getWidth()/10, sprites['food/3']:getHeight())
+  sheets.potion = newAnimation(sprites['food/potion'], sprites['food/potion']:getWidth()/10, sprites['food/potion']:getHeight())
 
   sheets.buttonopen = newAnimation(sprites['header/button_open'], sprites['header/button_open']:getWidth()/3, sprites['header/button_open']:getHeight())
 
@@ -111,6 +126,8 @@ end
 function self.update(dt)
   bench.startBenchmark('update_buttons')
 
+  moneyflashtimer = moneyflashtimer - dt
+
   local x = 19
   local y = 3
   for b,btn in ipairs(headerbuttons) do
@@ -172,7 +189,7 @@ function self.draw()
   bench.stopBenchmark('render_shadow')
 
   bench.startBenchmark('render_food')
-  require('scenes.gameplay.draw.food')(food, sheets, spritescale)
+  require('scenes.gameplay.draw.food')(food, sheets, spritescale, starpotionequipped)
   bench.stopBenchmark('render_food')
 
   -- all the fish
@@ -182,7 +199,7 @@ function self.draw()
   bench.stopBenchmark('render_tank')
   
   bench.startBenchmark('render_header')
-  require('scenes.gameplay.draw.header')(headerheight, fishsprite, headerbuttons, sheets, balance)
+  require('scenes.gameplay.draw.header')(headerheight, fishsprite, headerbuttons, sheets, balance, moneyflashtimer)
   bench.stopBenchmark('render_header')
 
   bench.startBenchmark('render_money')
@@ -193,7 +210,7 @@ end
 function self.mousepressed(x, y, b)
   if b == 1 then
     for _,m in ipairs(money) do
-      local dist = math.abs(x/love.graphics.getWidth() - m.x) + math.abs(y/love.graphics.getHeight() - m.y)
+      local dist = math.abs(x - m.x * love.graphics.getWidth()) + math.abs(y - m.y * love.graphics.getHeight())
       if dist < sheets.coin1.width/2 and not m.collected then
         m.collected = true
         m.deathtimer = 0
@@ -210,14 +227,23 @@ function self.mousepressed(x, y, b)
     end
   end
 
-  if b == 1 and y > HEADER_HEIGHT and #food < foodcount then
-    if balance >= 5 or debug then
-      table.insert(food, constr.food(x/love.graphics.getWidth(), y/love.graphics.getHeight(), foodtier))
+  if b == 1 and y > HEADER_HEIGHT then
+    if starpotionequipped then
+      table.insert(food, constr.food(x/love.graphics.getWidth(), y/love.graphics.getHeight(), 4))
       playSound('dropfood')
-      balance = balance - 5
-    else
-      playSound('buzzer')
+      starpotionequipped = false
+    elseif #food < foodcount then
+      if balance >= 5 or debug then
+        table.insert(food, constr.food(x/love.graphics.getWidth(), y/love.graphics.getHeight(), foodtier))
+        playSound('dropfood')
+        balance = balance - 5
+      else
+        playSound('buzzer')
+        moneyflashtimer = 1.2
+      end
     end
+
+    return
   end
 
   local headerheight = HEADER_HEIGHT * love.graphics.getWidth()/640
@@ -236,6 +262,7 @@ function self.mousepressed(x, y, b)
             balance = balance - headerbuttons[i].cost
           else
             playSound('buzzer')
+            moneyflashtimer = 1.2
           end
         end
       end
diff --git a/scenes/gameplay/update/fish.lua b/scenes/gameplay/update/fish.lua
index c0110f3..3aa7407 100644
--- a/scenes/gameplay/update/fish.lua
+++ b/scenes/gameplay/update/fish.lua
@@ -129,6 +129,7 @@ return function(feesh, dt, food, headerbuttons, money)
         if n.size == 1 then type = 1 end
         if n.size == 3 then type = 3 end
         if n.size == 4 then type = 4 end
+        if n.star then type = 3 end
         table.insert(money, constr.money(n.render.x, n.render.y, type))
       end
     end
@@ -174,39 +175,48 @@ return function(feesh, dt, food, headerbuttons, money)
           table.remove(food, n.shortestfood)
           local cooldowns = {FISH_FOOD_1_COOLDOWN, FISH_FOOD_2_COOLDOWN, FISH_FOOD_3_COOLDOWN}
 
-          n.eattimer = cooldowns[f.type]
+          n.eattimer = cooldowns[f.type] or FISH_FOOD_3_COOLDOWN
           n.render.eattimer = 0
           n.shortestfood = -1
 
-          if n.lifetime > FISH_AGE_MEDIUM and n.size == 0 then
-            n.size = 1
-            playSound('grow')
+          if f.type == 4 then -- star potion
+            if n.size == 2 or n.size == 3 then
+              n.star = true
+            else
+              n.eattimer = -9e9
+              playSound('explode')
+            end
+          else
+            if n.lifetime > FISH_AGE_MEDIUM and n.size == 0 then
+              n.size = 1
+              playSound('grow')
 
-            if not headerbuttons[1].open and not headerbuttons[1].closed then
-              headerbuttons[1].open = true
-              headerbuttons[1].openanim = 0
+              if not headerbuttons[1].open and not headerbuttons[1].closed then
+                headerbuttons[1].open = true
+                headerbuttons[1].openanim = 0
+              end
             end
-          end
-          if n.lifetime > FISH_AGE_BIG and n.size == 1 then
-            n.size = 2
-            playSound('grow')
+            if n.lifetime > FISH_AGE_BIG and n.size == 1 then
+              n.size = 2
+              playSound('grow')
 
-            if not headerbuttons[2].open and not headerbuttons[2].closed then
-              headerbuttons[2].open = true
-              headerbuttons[2].openanim = 0
+              if not headerbuttons[2].open and not headerbuttons[2].closed then
+                headerbuttons[2].open = true
+                headerbuttons[2].openanim = 0
+              end
+              if not headerbuttons[3].open and not headerbuttons[3].closed then
+                headerbuttons[3].open = true
+                headerbuttons[3].openanim = 0
+              end
+              if not headerbuttons[4].open and not headerbuttons[4].closed then
+                headerbuttons[4].open = true
+                headerbuttons[4].openanim = 0
+              end
             end
-            if not headerbuttons[3].open and not headerbuttons[3].closed then
-              headerbuttons[3].open = true
-              headerbuttons[3].openanim = 0
+            if n.lifetime > FISH_AGE_KING and n.size == 2 then
+              n.size = 3
+              playSound('grow')
             end
-            if not headerbuttons[4].open and not headerbuttons[4].closed then
-              headerbuttons[4].open = true
-              headerbuttons[4].openanim = 0
-            end
-          end
-          if n.lifetime > FISH_AGE_KING and n.size == 2 then
-            n.size = 3
-            playSound('grow')
           end
         end
       end