| Gorgar the Pit Fiend | 200 | | Yes | | 15% Blunt 30% Pierce 20% Arrow |
| Graal Roachard | 14 | | Yes | Mind | 50% Arrow 100% Magic Missile 100% Nature 100% Soul 100% Mind 100% Body |
| General Thrakk | 100 | | Yes | | 50% Blunt 20% Pierce 20% Cut 20% Arrow 20% Magic Missile 20% Nature -10% Soul 20% Body |
| Ghost of Lotor I | 44 | | Yes | Blunt | 20% Blunt 20% Cut -4% Soul 25% Mind |
| Guardian Knight Lancel | | | Yes | | |
| Goba Longblade | 30 | | Yes | Cut | 5% Blunt 15% Nature -4% Soul |
| Ghoul Lord Yesoth | 115 | | Yes | | 20% Blunt 100% Cut 50% Arrow 100% Poison 100% Disease |
| Ghoul Spectre | 80 | | No | | -10% Soul 100% Disease |
| Goblin Farmer | 7 | Goblin | No | Blunt | |
| Goblin Carpenter | 7 | | No | | |
| Glutton | 32 | Humanoid | No | | |
| Giant Squid | 100 | Sea Creature | No | | |
| Giant Killer Whale | 105 | Sea Creature | No | | |
| Giant Cave Rat | 30 | | No | Pierce | |
| Gazelle | 51 | | No | | |
| Ghoul | 60 | | No | | 8% Arrow -10% Nature 100% Poison 100% Disease |
| Ghost Willow | 55 | Undead | No | Blunt | -10% Cut 25% Arrow 50% Nature -10% Body 50% Poison 100% Disease |
| Guardian of Kuthos | 130 | | No | Blunt | -4% Blunt 30% Pierce 25% Cut 25% Soul 25% Mind |
| Ghast | 114 | | No | Soul | -25% Blunt 75% Pierce 75% Cut 60% Soul 50% Mind -10% Body 100% Poison 100% Disease |
| Gelatinous Cube B | 200 | | No | Nature | 50% Arrow 100% Magic Missile 100% Nature 100% Soul 100% Mind 100% Body |