At the "Cheats" menu in the shop, press Down, Left, Right, Up, Right, Up, Left, Down to unlock the mini-gun.
At the "Cheats" menu in the shop, press Right, Down(2), Up, Left, Up(2), Down to unlock the ultimate lightsaber.
At the "Combat Upgrades" menu in the shop, press Left(2), Right(2), Up, Down(2), Up to unlock the Lightsaber Throw upgrade.
At the "Droid-Jak Upgrades" menu in the shop, press Up, Left, Down, Left, Right, Left(3) to unlock the Spider Droid upgrade.
At the "Cheats" menu in the shop, press Up, Down, Left, Right, Left, Right, Down, Up.
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