The following list contains monsters in GBrogue that are not available in regular brogue.
- Adventurer: An AI player, also with the @ symbol it drops some a random set of items
- Cute dog: ð
- Goblin driver: An amber-yellow g that uses a whip.
- Quivering jelly: A white J that has the ability to slow the player
- Force totem: A pale green totem that casts force bolts
- Nether Jelly: Dark purple J
- Goblin thief: a type of goblin that can steal items like monkey and imps
- Ink Eel
- Magma Eel: Eels that dwell in magma and attack enemies at a distabce
- Paralytic Bloat: A tan bloat that releases paralytic gas when exploded
- Nymph: n
- Lemmer: l
- Quickling: a small white q creature who moves, attacks quickly.
- Shadow Centipede: a dark c
- Dar Apparition: purple d with beckoning lightning slow flame
- Air Elemental: Elementals are represented by the E symbol. This one is white, quick and levitating, and can blink and attack with force bolt.
- Rotting hound: ð moves quickly and is immune to fire
- Water Elemental: A dull blue E that has a pool of water wherever it goes
- Earth Elemental: A brown E that moves slowly and immobilizes its prey
- Fire Elemental: A red E. It burns unceasingly and attacks with firebolt
- Stone Golem: Similar to golem, but with a new name
- Crystal Golem: A green golem that is immune to fire
- Glass Golem
- Rope Golem
- Black Dragon: It breathes poisonous fumes
- Ankheg: A dark yellow capital letter A. It is an insect-like creature that sprays acid. Kind of like the upgraded version of the acid mound
- Soul of Hadrian
- The creature on Depth 39, calledDemon-God Moloch, with the sharp s symbol. It casts dragonfire, beckoning and lightning, can summon allies and blink, and is constantly burning