| Arachnotron | 
| Appearance: | A | 
| Health: | 50 | 
| Armor: | 2 | 
| Accuracy: | +3 melee, +3 ranged | 
| Melee Damage: | 2d3 = 2-6 = 4 avg | 
| Projectile Damage: | (1d5)x5 = 5-25 = 15 avg: plasma damage | 
| Speed: | 130% | 
| Standard Depth: | 13-50 | 
| Experience Value: | 263 | 
| Inventory: | Power cell (x20) | 
| AI habits: | Uses items: | No | 
| Uses doors: | No | 
| Attack %: | 60 | 
| Special abilities: | Has -100% melee resistance (which amounts to it taking doubled melee damage). | 
| Ingame description: | Evil can't get much purer. Spiderdemons equipped with a rapid-fire plasma cannon. Machine and flesh combined, kill on sight... | 
| Comments/special: | N/A |