So rage mode is implemented akin to God Of War wherein your damage greatly increases, incoming damage is taken less and you don't flinch even if you get attacked while in Rage mode.

To activate rage more, press the Aim button (left trigger or right mouse button) and then press the shoot button (right trigger or left mouse button). Though it's recommended to have a full energy charge first.

The shield system is altered and now will auto recharge or you can use the energy orbs you get from enemies.

AIso now have a state machine and will circle you before attacking. Needs refinement.

Hand-2-hand combat tweaked wherein now you snap to the nearest enemy and fight