diff --git a/obj/game/Projectile.lua b/obj/game/Projectile.lua
index 910a87b..ac2b4b3 100644
--- a/obj/game/Projectile.lua
+++ b/obj/game/Projectile.lua
@@ -30,6 +30,12 @@ function Projectile:update(dt)
 
     -- move collision area
     self.collider:moveTo(self.x, self.y)
+
+    -- offscreen despawn
+    if self.x < 0 then self:kill() end
+    if self.y < 0 then self:kill() end
+    if self.x > gw then self:kill() end
+    if self.y > gh then self:kill() end
 end
 
 ---Draws Projectile