Duke Nukem 3D Cheat Codes
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 Cheat Codes  | 
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| Code | Effect | 
| dnclip | Toggles clipping mode - walk thru walls | 
| dncoords | Gives your coordinates in upper left-hand corner | 
| dndebug | Toggles debug mode | 
| dnhyper | Steroids | 
| dninventory | Get all inventory items. | 
| dnitems | Get all the powerups and keys. | 
| dnkeys | Gives you all the keys | 
| dnkroz | Toggles God mode | 
| dnmonsters | Toggles the presence of monsters | 
| dnrate | Displays the frame rate in the upper left hand corner. | 
| dnscottyXYY | Level Warp (X=episode number, YY=two-digit level number) | 
| dnshowmap | Shows entire map of level | 
| dnskill# | Changes the skill level of the game. | 
| dnstuff | Get all weapons, ammo, powerups, and keys. | 
| dnunlock | Toggles all locks. | 
| dnview | Toggles view mode (same effect as F7 key) | 
| dnweapons | Gives you all the weapons | 
| 
 Useless Cheat Codes  | 
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| Code | Effect | 
| dncashman | Duke throws out money when you hit the spacebar. | 
| dntodd | Gives you the message "Register Cosmo Today!" | 
| dnallen | Gives you the message "Buy Major Sryker" | 
| dnbeta | Gives you the message "Pirates suck!" |