X Ray Radiation Wiki › FAQ
X Ray Radiation FAQ
10 questions players actually ask, answered.
How do I turn on radiation in my world?
Type /radon in the chat to activate the radiation system immediately. If you want a grace period before radiation becomes dangerous, use /radtimer instead to start a 10-day countdown.
What do I need to survive on the surface?
You need a gas mask equipped with a clean 
filter to protect yourself from radiation while above ground. Check your 
Geiger counter regularly to monitor your exposure, and return underground or replace your filter when levels get too high.
filter to protect yourself from radiation while above ground. Check your Geiger counter regularly to monitor your exposure, and return underground or replace your filter when levels get too high.How deep underground do I need to go to be safe?
The mod uses altitude scaling, meaning radiation gets stronger the higher you are—so deeper underground is always safer. Most players find that building bases well below sea level provides reliable protection from surface radiation.
Can I check radiation levels without a Geiger counter?
You can use /radstatus to check the overall radiation status of your world, but a Geiger counter in your inventory is the only way to monitor your personal radiation exposure in real-time.
Geiger counter in your inventory is the only way to monitor your personal radiation exposure in real-time.What happens if my gas mask filter runs out?
Your filter will stop protecting you from radiation once it's depleted, so you'll start taking damage if you stay above ground. You need to craft and equip a new clean filter before venturing back to the surface.
filter will stop protecting you from radiation once it's depleted, so you'll start taking damage if you stay above ground. You need to craft and equip a new clean filter before venturing back to the surface.Can I turn off radiation after I've activated it?
Yes, use /radoff to disable the radiation system at any time. You can also use /radstatus to check whether radiation is currently active in your world.
What is Nuclear Winter mode and how do I use it?
Nuclear Winter is a test function that adds an extra challenge to the mod. Use /nuclear to enable it and /nuclearoff to disable it—check the mod's documentation for details on what changes it makes.
Does radiation damage my equipment or just my health?
Radiation primarily damages your health when you're exposed without proper protection. Your gas mask and filter are your defense—keep them equipped and maintained to avoid taking damage.
filter are your defense—keep them equipped and maintained to avoid taking damage.Can I use this mod with other survival mods?
The mod is designed as a standalone survival challenge, but compatibility depends on how other mods interact with health and environmental damage systems. Test it in your modpack to ensure it works well with your other mods.
Do I need to carry multiple filters or can I reuse one?
Filters degrade with use and eventually become ineffective, so you'll need to craft new ones regularly. Plan your supply chain and keep spare filters in your base so you're never caught without protection on the surface.