Enter the "Extras" menu, then select "Cheats". Enter one of the following codes to unlock the corresponding cheat option. To toggle a cheat on or off, pause game play and enter the "Cheats" menu:
[Down], [Down], [Up], [Left] - Unlimited Invulnerability.
[Left], [Down], [Down], [Down] - Unlimited Stealth Camo.
[Left], [Right], [Up], [Down] - Unlimited Enchanced Vision.
[Left], [Left], [Up], [Right] - Unlimited Laser Eyes.
[Right], [Left], [Left], [Up], [Down], [Right] - Unlimited Gas Mines.
[Right], [Left], [Left], [Up], [Down], [Up] - Unlimited SuperBark.
[Right], [Up], [Right], [Up], [Left], [Down] - Unlimited Ground Pound.
[Right], [Up], [Left], [Right], [Up], [Right] - All Game Levels.
[Right], [Up], [Right], [Right] - All Mini Games.
Complete each achievement to get the allotted gamerscore:
Atomic Core Critical (30) - Bolt's power bar maxed out.
Biological Enhancement Complete (30) - Bolt's health bar maxed out.
Battery Upgrade Complete (30) - Penny's gadget bar maxed out.
Beyond Awesome, it's Be-Awesome (100) - Completed the final level of Act 5 and the Game (Oceania).
Combo Master (50) - Attain a 30 hit combo.
Good Comrade (30) - Completed the final level of Act 3 (Russia).
Give em the ol' one-two, or six (5) - Attain a 6 hit combo.
Hacktacular! (75) - Beat a mini-game level without taking damage.
Mad Combo Skills (15) - Attain a 15 hit combo.
Tame the Mainframe (25) - Completed 10 Bonus Hack Levels.
Time to increase recruiting (50) - 250 of Calico's henchmen have been defeated.
Walking is Boring (5) - Penny successfully performed a wheel bar up, sidle, and cable.
No hack too hidden (35) - All bonus hack levels have been found.
Party Crasher (10) - Completed the final level of Act 1 (Italy).
Power Overwhelming (5) - Bolt successfully defeated 3 different enemies with Super Sonic Bark, Laser Eyes, and Ground Pound.
Security? What Security? (50) - Completed 15 Bonus Hack Levels.
Sneaky Sneaky (50) - Penny completed RAISIN' A RUCKUS or HIDE AND SNEAK without alerting any enemies without using cheats.
So you think you can hack (15) - Completed 5 Bonus Hack Levels.
Well "Trained" (40) - Completed the final level of Act 4 (China).
Welcome to the Jungle (20) - Completed the final level of Act 2 (Belize).