Monster Madness: Battle For Suburbia - Cheat mode

Unlimited secondary items:
Enter stevebrooks as a code.

Disable special tracking cameras:
Enter ihatefunkycameras as a code.

First person view:
Enter MorgyTheMole as a code. Note: Press Y to return to third person view, but without a head.

Faster music:
Enter upthejoltcola as a code.

Push objects away from player:
Enter southpeak as a code.

High pitched voices:
Enter chipmunks as a code.

Jennifer's chest is bigger:
Enter ArieannDeFazioWithFlair as a code.

Animal sounds:
Enter patrickdugan as a code.

Disable film grain visual effect:
Enter reverb as a code.

Go-cart:
This can be performed with one or more players. When you are on the bridge going to the police station and you get the go-cart after the scene with the bikers, get into the passenger left side. Keep pressing A and the go-cart will begin to go crazy all over the screen. Note: This may cause you to die if it goes too far under the ground.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.

Fashion Show 70 points: Unlock every character costume.

Monsterologist 20 points: Unlock every Bestiary entry.

Maniac 30 points: Kill 10,000 monsters.

Long, Hard Road Out Of Suburbiacheck 20 points: Travel 1,000 kilometers.

Archaeologist 45 points: Collect 72 Specialty Melee Weapons.

"It's Mine ALL MINE" 25 points: Collect 10,000 Monster Tokens across all characters.

Trap Assassin 15 points: In Zack's House, use your cunning to defeat all of the enemies with traps on Thriller or higher.

Prowler On The Roof 15 points: Collect all weapon parts in Streets of Suburbia on Thriller or higher.

Did Someone Order Chinese? 15 points: Find a way to deal with that pesky Granny evil cat shield on Thriller or higher.

You Got Fur In The Hyperishdrive 15 points: Escape the garbage trucks of death without boosting on Thriller or higher.

Junkyards Just Aren't The Same 15 points: Make a mad dash to Bob Zombie on Thriller or higher.

I Said Turn Off Your Car Alarm 15 points: Destroy all the pesky, loud cars in the Parking Lot with your mech on Thriller or higher.

The Bodyguard 15 points: These gold zombies trust you with their life. Show them you mean business on Thriller or higher.

When Household Appliances Attack 15 points: Show the monster masses that vacuuming can be fun by using excessive force Thriller or higher.

Grumpy Old Man 15 points: Do not let the old man get hurt.Thriller or higher.

Very Sneaky, Sir 15 points: Show them you are a ninja of the night when taking back what is rightfully yours Thriller or higher.

Does Anyone Clean This Roof? 15 points: Collect all weapon parts on Hell School Rooftops on Thriller or higher.

Exhumed 15 points: Smash all the gravestones in the hidden graveyard and survive the horror on Thriller or higher.

Go, Speed Boater, GO 15 points: Zeppelin Flyer X and The Leprechaun has challenged you to beat his record Thriller or higher.

What's That Sound? 15 points: Why waste ammo when a massive, angry ball of death will do the work for you Thriller or higher.

They Wouldn't Spend It Properly 15 points: Let the monsters know that you are looking after their best gold interests Thriller or higher.

JAILBREAK 15 points: There has to be something useful in the castle jail cells. Thriller or higher.

We Don't Need No Stinkin' Ammo 15 points: Complete the final showdown without buying more ammo Thriller or higher.

I Think We're Being Followed... 15 points: Bring out the white knuckled driver in you and blast through the escape Thriller or higher.

Honed Survival Instincts 10 points: See if you can get far enough going solo in the Co-op Dojo.

A Little Help Goes A Long Way 20 points: Grab some buddies and see how many waves you can wade through in the Co-op Dojo.

Killing Machine 20 points: Get 50 of the total kills in a ranked FFA Deathmatch game.

Control Freak 20 points: Perform all flag captures in a ranked CTF match.

Are You Crazy? 10 points: Frag 4 players in under half a second in any ranked match.

Monster Survival Guide Pays Off 10 points: Try to win a 10 minute or longer ranked Monster Hunter game without being turned in a monster.

Master Of Your Domain 20 points: Enter and never leave the hill in a ranked King of the Hill match.

Leading Noobs To The Slaughter 20 points: Destroy the opposing team by having your team win with 100 of the kills in a ranked Team Deathmatch.

Your Kung Fu Is Strong 20 points: Defeat all challengers using only your melee weapon in a ranked FFA Deathmatch.

High School Flag Team Captain 20 points: Use the flag to kill 4 players in a single ranked CTF match.

Nice Guys Finish Last 20 points: Win a ranked friendly fire token race match without killing any other players.

Have Fun Cleaning The Grill 10 points: Frag 20 players while driving a vehicle.

Dirty Deeds 10 points: Score 10 frags by summoning homing explosive zombies while in zombie form in a single ranked match.

Are You Related To A Belmont? 20 points: Score 30 monster stuns in a single ranked monster hunter match.

Demolitions Expert 20 points: Score all frags using only grenades in a single FFA Deathmatch game.

Additionally, there are eleven secret achievements, six of which are currently unknown.

Block Party 25 points: Complete Chapter 1, Suburbia Nightmare.

Shop 'Til You Drop 25 points: Complete Chapter 2, Shopping Maul.

School's Out Foreva 25 points: Complete Chapter 3, Hell School.

Graveyards Creep Me Out Too 25 points: Complete Chapter 4, Cemetery Scary.

Have Fun Stormin' the Castle 25 points: Complete Chapter 5, Evil Castle.