Password - 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. | |
| Down, Left, Up, Left, Right, Left, Up | Santa Ratchet |
| Up, Up, Down, Down, Right, Up, Up | Saurus Ratchet |
| Left, Right, Left, Right, Up, Down, Down | Genome Ratchet |
| Up, Right, Down, Right, Left, Right | Pipo-Saru Ratchet |
Unlockable - Exterminator Cards | |
| Vox | Get all Skill points |
| Vox's Pet | Complete all missions on highest difficulty |
| 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 |
Unlockable - Unlockable Skins | |
| LandShark | 35 Glamour Stars |
| King Claude | 30 Glamour Stars |
| Vernon | 30 Glamour Stars |
| "The Muscle" | 25 Glamour Stars |
| Alpha Clank | FREE |
| Liberator | Beat Liberator Tournament |
| Vindicator | Beat Vindicator Tournament |
| Crusader | Beat Crusader Tournament |
| Avenger | Beat Avenger Tournament |
| Marauder | FREE |
| Squidzor | 40 Glamour Stars |
| Kid Nova | 45 Glamour Stars |
| W3RM | 55 Glamour Stars |
| Starshield | 60 Glamour Stars |
| Venus | 75 Glamour Stars |
| Jak Skin | Co-op mode, 50 Glamour Stars. Only 2P |
| Ninja Ratchet | Collect all Exterminator Cards |
Unlockable - Skill Points | |
| HUD Color | 5 Skill Points |
| Gangsta Guns | 10 Skill Points |
| Mirrored World | 15 Skill Points |
| Remove Helmet | 20 Skill Points |
| Exterminator Bot Heads | 25 Skill Points |
| Super Bloom | 35 Skill Points |
| Super Morphing Freeze Wrench | 45 Skill Points |
| Weather | 60 Skill Points |
| Kill Quark! | 105 Skill Points |
| Color Blind | 120 Skill Points |
| Morph Mod on Vehicles | 140 skill points |
Unlockable - Weapons that go to 99 | |
| Mega weapons ( from level 10-99) | just beat the game, and get the weapon you want to take to 99 to level 10. |
Unlockable - Ninja Ratchet | |
| Ninja Ratchet | Obtain all Exterminator Cards |
Unlockable - Character Epilouges and Credits | |
| Character Epilouges | Beat the game once and begin Challenge Mode |
| Credits | Beat the game once and begin Challenge Mode |
Unlockable - Rainbow weapon effects | |
| Rainbow weapon effects | Get weapon to Lvl. 99 |
Unlockable - Exterminator Difficulty | |
| Exterminator difficulty | Finish the game in normal mode. |
Secret - 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. | |
Secret - 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. | |
Easter Egg - Plumber Epilouge | |
| To get the epilouge you have to beat the game and watch the whole entire credits. | |
