True Gas Mask
Bedrock add-on listed for Minecraft 1.21 (behavior + resource pack). File opened and checked on 31 Aug 2026; installs from the MC Bedrock Mods app on Android.
danger in the underground. adds the toxin mechanic in the overworld that means the player cannot go down without a gas mask to search for ores
⬇ Download
NEW!! Y=18 🩻🩻
From layer 18 onwards the environment is harmful to the player, he will lose 3 life every one second. lethal enough mind to finish off the player. Craft a gas mask to be able to explore the depths more safely and obtain what you are looking for.
-Netherite Gas Mask
-New textures added
-Water block and water breathing
Being in the water while holding your breath eliminates damage over time from being in the depths, the water breathing effect makes you immune to damage while it is active
-TOXIC NETHER
The Nether is completely contaminated, the use of a gas mask is necessary BUT the lethality is not that high you can last much longer without a gas mask
Diamond Gas Mask
Iron Gas Mask
Gas Mask
- Edition: Minecraft Bedrock
- File type: .mcpack or .mcaddon
- Minecraft versions listed: 1.21.114, 1.21.120, 1.21.101
- How to install: Download the .mcpack or .mcaddon file. → Open it — Minecraft imports it. → In your world: Behavior Packs → Available → Activate, then the same under Resource Packs.
- Where to get it: In MCModsHub, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Bedrock addons & mods walks through it step by step.
- Pack type: .mcaddon — behaviour and resource pack in one file
- Manifest requires Minecraft 1.21.90 or newer
- Complete pack — everything it depends on is inside the file
- Download size: 177 KB
- Download link checked 18 Jun 2026 — working
These come from our own check of the pack file, not from the source page.
