Metro 2033 Gas mask and filters: survive the surface
Read filter time, mask damage and breathing cues.
Edition covered
Original 2010 Metro 2033 on PC and Xbox 360, with original PC publisher images. Metro 2033 Redux changes to stealth, takedowns, controls and weapon customization are excluded.
Mask requirements
A gas mask protects Artyom in contaminated areas only while a clean filter remains. The watch shows remaining filter time. Listen for breathing and watch the display; waiting until the screen is obscured leaves less time to find a safe route.
| Indicator | Meaning | Action |
|---|---|---|
| Watch filter time | Remaining usable air interval | Replace the filter when needed. |
| Heavy breathing | Air supply problem | Check mask and filter. |
| Mist on mask | Filter exhaustion warning | Replace or reach clean air. |
| Cracked faceplate | Mask damage | Find a sound replacement. |
Surface preparation
Before going outside, inspect the mask, filter reserve, ammunition and expected route. A spare minute spent charging equipment in safety is better than doing it while exposed. Keep the next doorway or shelter in mind during a fight.
| Check | Why | Action |
|---|---|---|
| Filter reserve | Limits time outside | Restock before the excursion. |
| Mask condition | Damage can defeat protection | Replace a compromised mask. |
| Weapon readiness | Prevents exposed reloads | Load before opening the route. |
| Equipment charge | Supports visibility | Charge in a safe room. |
Cracks are a separate problem
The mask itself can be damaged. Replacing a filter does not repair broken glass, so inspect available replacement masks when the current one is compromised. Do not assume a large filter supply makes every mask condition safe.
Remove the mask where air is safe
The original manual advises conserving filters in clean areas. Follow the environment and companion cues rather than wearing the mask continuously throughout the stations. Re-equip it before re-entering contaminated air.
References
| Reference | Website |
|---|---|
| Publisher game description and pictures | store.steampowered.com |
| Original publisher manual | store.steampowered.com |