Hold L1 + R1 + R2 + L2 and press Start during game play to display the pause menu. Select the "Display Password" option. Press Left, Circle, Square, Right, X while the current the password is displayed. A "Cheats" option will now appear on the pause menu. Select that choice for extra money, invincibility, no shroud, and instant victory options.
Evolved
The Guns Of Navaho - HHQQQ4
The Spiders Lair - HUQQQI
The Seven Samurai - HDQQQS
The Rabbit Warren - HLQQQZ
The Birds - IQQQHZ
I'll Be Your Friend - IVQQUZ
Supply Run - IAQQGZ
Napalm Sunday - IGQHGZ
The Wall Of Death - ILQHLZ
Dam It Janet - JUQFLZ
Take The Tower - JDQ6LZ
Aerial Supremacy - JCH6LZ
Operation Donut - JKU6LZ
End 2 Robots - KVG6LZ
End 2 Symmetrics - K8GLLZ
Driving Miss Daisy - L41Q14
Gopher Hunt - LI1Q1I
Divide And Conquer - LQ1Q1Q
Checkpoint Charlie - LZ1Q1Z
Highway To Hell - M11Q4Z
Bridges Of Mad Son County - MB1QIZ
Ring A Rosie - MP1QQZ
Grapes Of Wrath - M91QZZ
The Glue Lagoon - MZ1HZZ
Mutants Off-Line - N41UZZ
Walls Of Jerry Co - NN1GZZ
Islands In The Stream - NF1LZZ
River Runs Through It - N94LZZ
Ground To Air - O1ILZZ
Survivors Go Home - OJQLZZ
The Great Escape - DTSQSB
Hide And Seek - DUSQSI
Let's Get Technical - DBSQSS
Kamikaze Squad - DJSQSZ
Phoenix River - ESSQGZ
Impending Annihilation - ETSQUZ
Charlie Don't Surf - EOSQHZ
Convoy - ENSQJZ
This Ain't Avalon - EJSHJZ
Robots Must Die! - FGSUJZ
Heavy Weapons Operation - FISGJZ
First To The Middle - F3SLJZ
Con Air/ Special Delivery - FNGLJZ
Strike Three - GSULJZ
Death To The Freaks - G1HLJZ