Japan-only Skins Go to the pause menu and press the following buttons on the D-pad to unlock the corresponding skin. This only works in the Japanese version. Code Effect Santa Ratchet Down, Left, Up, Left, Right, Left, Up Genome Ratchet Left, Right, Left, Right, Up, Down, Down Pipo-Saru Ratchet Up, Right, Down, Right, Left, Right Saurus Ratchet Up, Up, Down, Down, Right, Up, Up Unlockables Character Epilouges and Credits Beat the game once and start Challenge Mode to unlock these features in the Media menu: Unlockable How to Unlock Character Epilouges Beat the game once and begin Challenge Mode Credits Beat the game once and begin Challenge Mode Exterminator Cards These are given to you in Challenge Mode after completing various goals: Unlockable How to Unlock Ace Harlight Earn 400,000 Dread points Eviscerator 100 Max Nanotech Reactor Buy Mega version of all weapons (Challenge mode) Shellshock Buy all weapons and Omega mods Vox Get all Skill points Vox's Pet Complete all missions on highest difficulty Game Unlockables Unlockable How to Unlock Exterminator Mode Complete the game one time. Hero Mode Beat the game on Exterminator or Gladiator Ninja Ratchet Ratchet will be faster, in my opinion better looking, in other words better. Unlockable How to Unlock Ninja Ratchet Obtain all Exterminator Cards Rainbow weapon effects At level 99, weapons get a rainbow color effect added to their shots. Unlockable How to Unlock Rainbow weapon effects Get weapon to Lvl. 99 Skill Points Unlockable How to Unlock Color Blind 120 Skill Points Exterminator Bot Heads 25 Skill Points Gangsta Guns 10 Skill Points HUD Color 5 Skill Points Kill Quark! 105 Skill Points Mirrored World 15 Skill Points Morph Mod on Vehicles 140 skill points Remove Helmet 20 Skill Points Super Bloom 35 Skill Points Super Morphing Freeze Wrench 45 Skill Points Weather 60 Skill Points Unlockable Skins Unlockable How to Unlock "The Muscle" 25 Glamour Stars Alpha Clank FREE Avenger Beat Avenger Tournament Crusader Beat Crusader Tournament Jak Skin Co-op mode, 50 Glamour Stars. Only 2P Kid Nova 45 Glamour Stars King Claude 30 Glamour Stars LandShark 35 Glamour Stars Liberator Beat Liberator Tournament Marauder FREE Ninja Ratchet Collect all Exterminator Cards Squidzor 40 Glamour Stars Starshield 60 Glamour Stars Venus 75 Glamour Stars Vernon 30 Glamour Stars Vindicator Beat Vindicator Tournament W3RM 55 Glamour Stars Weapons that go to 99 Unlockable How to Unlock Mega weapons ( from level 10-99) just beat the game, and get the weapon you want to take to 99 to level 10. Easter Eggs Plumber Epilouge To get the epilouge you have to beat the game and watch the whole entire credits. Secrets Free Ammo Go to any Boss Battle and play it. When you start, the game will automatically reload all of your weapon's ammo. Exit the challenge and your ammo on all of your weapons will be reloaded for free. This way you do not have to spend your bolts on ammo. Massive Weapon Experience & Bolts After gaining access to the Battledome Challenge "Endzone", use the Holoshield Launcher and/or Mini-Turret Launcher with Shock Mod equipped. After setting up the shields and turrets, equip whatever weapon you want to upgrade, making sure you have the Shock mod equipped. Complete the challenge and repeat until you upgrade your weapons to the desired level. After being able to buy Experience/Jackpot Mods, max out the alphamods on the weapon of your choice to rapidly get to lvl 99 weapons and/or make millions of Bolts.