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References - Lesser Known Features

Lesser Known Features

Listed here are some things about the map editor and the game itself of which many people may not be aware. This game may be over a decade old, but I'm still finding out about incredible new things every so often.



  • An ActivatorLocked will silence any ambient MusicAndSFX sprites within the sector until it is unlocked.
  • Lizard Troopers can fake death. After a few seconds, a faking trooper will come back to life. Apparently they can even fake the fatal head wounds associated with death.
  • You can hold the Spacebar to drink from water sources (rather than continuously pressing it). The only exception is the drinking fountain.
  • EGG (#675), NEWBEASTJUMP (#4690), and NEWBEASTSTAYPUT (#4611) are affected in-game by their sprite size in the editor.
  • If you shrink an enemy, and then freeze it just as it begins to grow back to normal, it will stay at that size after unthawing (this actually seems logical).
  • Protozoid slimers can devour enemies.
  • Holodukes don't cast shadows or glow in nightvision.
  • You can use the Spacebar on pool balls (for the longest time I used guns to play pool).
  • Teleporters can be locked/unlocked with an ActivatorLocked (but oddly enough won't work with an Activator).
  • Players on steroids will be invulnerable to shrinkers, and shrunken players can use steroids to grow back to full size immediately.
  • Enforcers defecate randomly.
  • Teleporters work on almost everything including many of the special sprites, as well as security cameras, etc.
  • Shrunken players are not subject to fall damage.
  • If you use a texture with invisible (pink) pixels on a floor, ceiling, or solid wall, the pink will become black in-game.
  • Try placing a FORCESPHERE (#2590) mid-air in a large room, then see what it does in-game.
  • Security camera perspectives are slightly zoomed out when viewed by a shrunken player.
  • Placing a blocked, floor-aligned sprite underwater cancels the effects of water for any player above the sprite! My brother showed me this.
  • Changing the angle of a Touchplate so it faces down will make it activate whether or not the player is touching the floor of the sector.
  • If a Touchplate is above the floor of the sector, it will function as an 'automatic floor rise' effect.
  • You can designate certain sprites as Multiplayer-only or DukeMatch-only with any palette value greater than 0 (it doesn't have to be 1).
  • Standard Nuke Buttons will work with any Lo-Tag value greater than 0.
  • DOORTILE textures linked to an effect can be triggered by kicking the texture!
  • Aliens cannot trigger Touchplates, but DukeBots can trigger them.
  • Masking a wall and assigning the W_FORCEFIELD texture (#663) to it will cause the walls above and below the texture to pan diagonally with the forcefield. If you unmask the forcefield and make the walls above or below it visible, the overtile will still be in effect, allowing you to make any texture "shift" and damage players who get too close.



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