Duke Nukem 3D/Hidden content

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Choose stage cheat

On the main menu, press . If entered correctly, a message should appear, and once a difficulty is selected, a new "Choose Stage" menu will let you select the starting stage.

Input info

On the main menu, hold + + + + for a few seconds until a message appears. Now during gameplay there will be two strings of text detailing the state of controller inputs.

No monsters skill

On the select skill menu, press . This will add a new "No monsters" skill, which if selected will start the game with no enemies.

God mode

Pause the game and press . When unpaused Duke will be invincible.

All weapons and items

Pause the game and press .

Jevons control

Pause the game and press . This will adjust the control scheme to better suit the 3D Control Pad, mapping movement to the face buttons and using the analog stick to look around. While Duke will be technically controllable through a standard control pad, and on the d-pad will double up as both turning left and right, and changing weapons.

The control mapping is as follows:

• : Action
• : Move backwards
• : Strafe right
• : Use item
• : Strafe left
• : Walk forward
• : Shoot
• : Jump
• or : Select item
• or : Select weapon

To play the whole game in this mode, the code will need to be inputted at the start of every level.

The code is named after Dan Jevons, who was hired as a game designer by Lobotomy Software after its release of Powerslave. Jevons had previously worked for GameFan magazine, and prior to that, UK publications published by EMAP, and was one of several journalists at the time supporting this PC-like style of control scheme.