An acid's damage can vary from level to level. For instance, there would be a 50 damage acid (meaning 10 seconds to escape if you have Lite Battlesuit) or 5000 damage acid (meaning 0.1 sceconds to escape if you have Lite Battlesuit).
It is possible to survive acid. These acids can be avoided if a Rope or ledge is nearby.
- Small pillars of 50,000,000 (or more) damage acid is used in many Saw-themed custom maps, as part of the Saw atmosphere.