Codes: Enter these at the pause screen.
| Freeroam as Bizarro | Up Right Down Right Up Left Down Right Up |
| Infinite Metro Health. | Y, Right, Y, Right, Up, Left, Right, Y |
| Unlock All Power-ups. | Left, Y, Right, X, Down, Y, Up, Down, X, Y, X |
| Unlock All Unlockables. | Left, Up, Right, Down, Y, X, Y, Up, Right, X |
Unlockable Trophies/Costumes:
| Pod Suit | Defeat Bizzaro for the last time |
| Golden Age Suit | Finish the last level |
| Bizzaro Unchampion Trophy | Complete all Bizzaro mini-games |
| Globe Bowling Trophy | Pick up the Daily Planet globe |
| Kitten Finder Extraordinaire | Rescue all 100 kittens |
| Meteor Mayhem | Finish the first level of the game |
| Outstanding Valet Trophy | Pick up 500 cars |
| Photo Finish | Defeat 500 enemies |
More Codes to enter at the pause screen:
| Code | Effect |
|---|---|
| Right Up Y Y Up Right Down Up X | Fast Traffic |
| X Y X Y Left Up Right Down | Model Change: Ice Machine |
| X Y X Y Up Right Down Left | Model Change: Modern Phone Booth |
| X Y X Y Up Down Right Left | Model Change: Potted Plant |
| X Y X Y Up Down Left Right | Model Change: Vending Machine 1 |
| X Y X Y Up Left Down Right | Model Change: Vending Machine 2 |
Achievements
| Unlockable | How to Unlock |
|---|---|
| Armageddon Averted (30) | Complete Level 01: Meteor Storm |
| Frequent Flyer (30) | Travel For 10,000 Miles |
| Heavy Lifting (30) | Lift 10,000 Tons Throughout The Game |
| Hero of Metropolis (200) | Complete All Metro Events And Mini-Games |
| Me aM savE yOU (100) | By you is Bizarro not undefeated! |
| Metallo Mastered (100) | Stopped Metallo in the name of justice |
| Mr. What's-his-name (50) | Complete All Mini-Games |
| Mr. Whiskers (50) | Find All Kittens |
| Not That Super (0) | Enter any cheat code in a desperate plea for help. |
| Roadside Assistance (30) | Pick Up 100 Cars Throughout The Game |
| Souped-Up Superman (30) | Obtain All 15 Power-Ups |
| Super Sonic (20) | Finished All Fast Flyer Mini-Games |
| The Greatest Day (30) | Play A Total Of 12 Hours |
| The Mongul Hordes (100) | Vanquished Mongul once again |
| Twisted (100) | Saved Metropolis from the rampaging tornado |
| Versatile Fighter (30) | Perform 99 fighting combos |
| Warworld (50) | Visited and dominated Warworld |
| You Am Bizarro! (20) | Complete The Bizarro Mini-Game |
Thanks to Revolution Readers Streee and LUTHORRRRR!