The Hack Rifle Replaces the Hack Tool from Bioshock 2. Eas Reloading, Just Shoot and Put a new Dart in.
Hack Dart- Same as the Second
Auto Hack Dart- Same as the Second
Poison Dart- Poison Enemys and Disables Machines for 10 Seconds
Hacking Vending, Health, And U-Invents will make you do the Bioshock 1 hacking System
Hacking Security or Machines will give you Bioshock 2 Hacking System