Left, left, right, right, up, down, down, up, up, down
Chainsaw (Gotten by completing Hard mode)
Up, up, down, down, left, right, left, right, up, down, up, down
Swordfish (Code distributed with premium version)
Up, down, up, down, left, right, left, right, up, down, up, down
Telephone of Sorrow (Gotten by completing Medium mode)
Right, left, right, left, down, down, up, up, up, down, up, up, down, down