These hazardous materials room descriptions will add suspense and danger to your space-themed dungeon crawl, providing players with unique challenges and opportunities for creative problem-solving:

Roll a 1D20 for the room then 1D6 for the description.

1. Corroded Chemical Storage:

  • A room filled with corroded barrels leaking toxic chemicals. Roll a d6 for the severity of corrosion:
    • 1-2: Minor leaks
    • 3-4: Moderate leaks
    • 5-6: Severe leaks

2. Radioactive Reservoir:

  • A chamber containing a massive, glowing vat of radioactive material. Roll a d6 for radiation levels:
    • 1-2: Low radiation
    • 3-4: Moderate radiation
    • 5-6: Extremely high radiation

3. Toxic Gas Chamber:

  • The room is filled with a dense, greenish gas that’s highly toxic. Roll a d6 for gas concentration:
    • 1-2: Mild toxicity
    • 3-4: Moderate toxicity
    • 5-6: Lethal toxicity

4. The Acid Pit:

  • A pit filled with bubbling, corrosive acid. Roll a d6 for acid activity:
    • 1-2: Slow bubbling
    • 3-4: Moderate bubbling
    • 5-6: Violent splashing

5. Hazardous Waste Disposal:

  • A room packed with containers of hazardous waste materials. Roll a d6 for container integrity:
    • 1-2: Intact containers
    • 3-4: Leaking containers
    • 5-6: Burst containers

6. Contaminated Water Tank:

  • A tank filled with murky water contaminated by unknown alien microorganisms. Roll a d6 for water clarity:
    • 1-2: Slightly cloudy
    • 3-4: Moderately cloudy
    • 5-6: Completely opaque

7. The Biohazard Lab:

  • A laboratory containing biohazardous samples in reinforced containment units. Roll a d6 for biohazard level:
    • 1-2: Low biohazard
    • 3-4: Moderate biohazard
    • 5-6: Extremely dangerous biohazard

8. Volatile Chemical Mixing Room:

  • A room with a setup for mixing volatile chemicals. Roll a d6 for chemical stability:
    • 1-2: Stable chemicals
    • 3-4: Slightly unstable
    • 5-6: Highly volatile mixture

9. Toxic Sludge Pit:

  • A pit filled with toxic sludge that emits noxious fumes. Roll a d6 for sludge viscosity:
    • 1-2: Thick and sluggish
    • 3-4: Semi-liquid
    • 5-6: Thin and flowing

10. The Electromagnetic Field Chamber:

  • The room crackles with electromagnetic energy. Roll a d6 for electromagnetic interference:
    • 1-2: Minor interference
    • 3-4: Moderate interference
    • 5-6: Severe interference

11. Cryogenic Leak Room:

  • A room where cryogenic tanks have sprung leaks, creating patches of freezing fog. Roll a d6 for cryogenic fog density:
    • 1-2: Light fog
    • 3-4: Dense fog
    • 5-6: Near-zero visibility

12. Acid Rainfall Chamber:

  • The room simulates acid rainfall, with acidic droplets falling periodically. Roll a d6 for acid intensity:
    • 1-2: Mild acidity
    • 3-4: Moderate acidity
    • 5-6: Severe acidity

13. The Bio-Contamination Lab:

  • A lab filled with experiments involving dangerous alien pathogens. Roll a d6 for pathogen containment:
    • 1-2: Secure containment
    • 3-4: Partial containment breach
    • 5-6: Pathogen releases imminent.

14. The Magnetic Storm Chamber:

  • The room is subjected to intense magnetic storms, causing metallic objects to become dangerously magnetized. Roll a d6 for magnetic field strength:
    • 1-2: Weak magnetic field
    • 3-4: Moderate magnetic field
    • 5-6: Extremely strong magnetic field

15. The Solar Flare Chamber:

  • The room is periodically bathed in intense solar radiation, causing burns and damage to expose surfaces. Roll a d6 for radiation exposure:
    • 1-2: Low radiation
    • 3-4: Moderate radiation
    • 5-6: Deadly radiation levels

16. The Plasma Leak Room:

  • A chamber with exposed plasma conduits, emitting bursts of scorching plasma energy. Roll a d6 for plasma bursts:
    • 1-2: Infrequent bursts
    • 3-4: Frequent bursts
    • 5-6: Continuous plasma discharge

17. Quantum Energy Core:

  • The room contains a quantum energy core emitting unpredictable bursts of energy. Roll a d6 for energy fluctuations:
    • 1-2: Low energy fluctuations
    • 3-4: Moderate energy fluctuations
    • 5-6: Chaotic energy surges

18. The Thermal Vent Room:

  • A room with geothermal vents expelling scalding steam and gases intermittently. Roll a d6 for vent activity:
    • 1-2: Rare venting
    • 3-4: Frequent venting
    • 5-6: Continuous venting

19. The Cryo-Explosion Chamber:

  • The room is a dangerous mix of cryogenic freezing and explosive materials. Roll a d6 for explosion risk:
    • 1-2: Low explosion risk
    • 3-4: Moderate explosion risk
    • 5-6: High explosion risk

20. The Gravity Anomaly Zone:

  • The room experiences unpredictable gravity fluctuations, making movement challenging. Roll a d6 for gravity anomalies:
    • 1-2: Mild fluctuations
    • 3-4: Moderate fluctuations
    • 5-6: Wild, disorienting gravity shifts