Intelligence is a stat that is unlocked by having Source-File 5 (i.e. Destroying BitNode-5).

Intelligence is unique because it is permanent and persistent. It never gets reset back to 1. However, gaining Intelligence experience is extremely slow. It is a stat that gradually builds up as you continue to play the game.

Intelligence will boost your production for many actions in the game, including:

  • Hacking
  • Infiltration
  • Crime success rate
  • Bladeburner
  • Reputation gain for companies & factions
  • Augmentation grafting speed