Get Arcade Levels
Beat the game Using story mode to get them for Arcade play.
Get Gallery Art
Finishing each level will unlock new art available in the extras menu.
Extra Levels
Every time you win a level go to arcade mode and there will be a "Extra Level" there every time you beat or win a level.
Extra Chainsaw
To get an extra chainsaw, you must first complete 3 levels with out dying.
Kill Zombies Fast
To kill enemy's fast use the "ChainSaw".
Evil Dearborn
The slavelords and slavebosses can be killed real easy with a flamethrower they drop with in seconds, so don't waste your ammo.
Placing Diamond With Right Symbol
Locate dimonds with Rod device behing the painting when you need to first locate the two vases to open trap door behind painting. You will receive a special rod that act like a sonic homing devie to locate diamond within the museum. Locate all 4 diamonds different rooms in museum. They are need to open the temple door. Place them from left to right under symbol with first the yellow diamond, red diamond, blue diamond and then green diamond. It will open the temple door in egypt room.