ZMenu NFS Underground 1 + Chaos Mod


A powerful in-game trainer for NFS Underground, similar to my mod menus for GTA V and IV.

Default controls:

  • F7 to toggle menu
  • Numpad to navigate
  • RCTRL + Num1 to fix car
  • RCTRL + Num2 to flip car
  • ] (hold) for car speedup
  • F6 for airbreak

A full documented list of effects in Chaos can be found here.


  • Teleport (with .ini save/load)
  • Change player car model in-game
  • Built-in chaos mod with more than 250 effects and Twitch voting support
  • Free camera
  • Custom mounted camera
  • GTA San Andreas-like camera
  • GTA 2 style top down camera
  • Mouse and/or thumbstick controlled camera rotation
  • Teleport to other racers
  • Infinite nitro
  • Disable nitro
  • Adjust nitro capacity in-game
  • Adjust car gravity
  • Airbreak
  • Disable auto-reset when out of bounds
  • Show current player coordinates, camera coordinates and framerate
  • Lock camera position
  • Unlock everything
  • Display various useful bits of info about the game such as pointers to the player's vehicle classes, timestep, etc.
  • Modify game timescale (including menus)
  • Suspend the game without a pause menu
  • In-menu localization reader, enter the key and get a localized string from it
  • Generate multiple types of hash keys for any string (FEHashUpper)
  • Full controller support (LB+B, disabled by default)
  • Lock world streaming position to drive out of bounds without the background disappearing
  • Change all cars to a chosen LOD
  • Add/remove money
  • Make traffic cars spin

Known issues and tips:

  • DXVK is recommended for Chaos and certain options such as Fuck Up World to be stable