Unlock all options

At the options screen, enter "GREG_FM" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now all cheat options will be selectable.

Invincibility option

At the options screen, enter "LIVE_FREE" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now invincibility can be selected from the options screen.

Fast reload, damage bonus, and weapons options

At the options screen, enter "GO_POSTAL" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now a menu with a fast reload, damage bonus, and weapons option will appear. The fast reload option allows missiles to be rapidly fired. The damage bonus option allows aliens, generators, and vehicles to be destroyed with a single shot. The weapons options allows your plane to have infinite firepower.

Kill civilians and wingman options

At the options screen, enter "GODZILLA" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now a cheat menu with a kill civ and kill wing option will appear. The kill civ option allows civilian ground targets to be hit. The kill wing option allows you to shoot down your wingman.

City, tourist, demo cam, no time options

At the options screen, enter "TOURIST" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now a cheat menu with a city, tourist, demo cam, and no time option will appear. The tourist option allows the game to be played with no aliens. The demo cam option allows the camera to be controlled with the D-pad. The no time option disables the time limit.

Plane select

At the options screen, enter "MR_HAPPY" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now any plane can be selected from the options screen.

City select

At the options screen, enter "FOX_ROX" as a player name, where "_" indicates a space. Then, go to the game selection screen and quickly press Left, Right, Square, Circle, Triangle(2), Down. Now any city can be selected from the options screen.

Mission passwords

Mission	Easy	Medium	Hard
Washington	DBKHN	DBKMO	DBKQO
New York	GBKHW	GBKMX	GBKQX
Paris	LLSHW	LLSMX	LLSQX
Moscow	NL9HW	NL9MX	NL9QX
Tokyo	R39JD	R39NF	R39RF
Oahu	T59HW	T59MX	T59QX
Las Vegas	Z99HY	Z99MZ	Z99QZ
Mothership	399HG	399MH	399QH