All Monsters (12)

• Black Pudding - Amorphous creature that lives only to eat, scouring underground areas for organic matter
  BFRPG, OSE
• Gelatinous Cube - Nearly transparent cube that travels dungeon corridors absorbing carrion, creatures, and trash
  BFRPG, OSE, OSRIC
• Green Slime - Dripping, green slime that clings to walls and ceilings
  OSE, OSRIC
• Grey Ooze - Slimy horrors that lurk on stone surfaces or among boulders
  OSE, OSRIC
• Jelly, Black - Amorphous creatures that live only to eat, inhabiting underground areas
  BFRPG
• Jelly, Glass - Huge transparent jelly that absorbs carrion and creatures, trapping inorganic material visibly inside its body
  BFRPG
• Jelly, Gray - Amorphous creatures that live only to eat, scouring underground areas
  BFRPG
• Jelly, Green - Bright green, wet, and sticky jelly that devours flesh and organic materials on contact
  BFRPG
• Jelly, Ochre - Yellowish-brown amorphous monster up to 10 feet in diameter
  BFRPG
• Ochre Jelly - Giant, ochre amoeboids
  OSE
• Slithering Tracker - Transparent, amorphous predator that stalks prey in darkness
  OSRIC
• Stunjelly - Translucent creature that appears as a normal section of wall until prey approaches
  OSRIC