Run Silent is one of the nano-augmentations in Deus Ex.

Run Silent
"The necessary muscle movements for complete silence when walking or running are determined continuously with reactive kinematics equations produced by embedded nanocomputers."
- Deus Ex description

It is the complement of Speed Enhancement - JC Denton must choose one or the other when installing the augment in the Legs slot.

Tiers Edit

  • TECH ONE: Sound made while moving is reduced slightly.
  • TECH TWO: Sound made while moving is reduced moderately.
  • TECH THREE: Sound made while moving is reduced significantly.
  • TECH FOUR: An agent is completely silent.

Energy Rate: 40 Units/Minute


In addition to quieting the player's footsteps, this augmentation will also eliminate the sounds from jumping, landing, and swimming.


  1. In Hell's KitchenNSF warehouse in Hell's Kitchen. It's in a drawer in a small room containing with a security computer and a desktop computer in there. Under the desk is a safe containing the augmentation.
  2. In UNATCO HQ – Med Center. After the return from the airfield mission. Into Jaime's medical closet. The augmentation can be found on a cart inside.
  3. Found in the Universal Constructor Chamber on Versalife Level 2.