Xbox 360:
As JACK:Start Button - Pause Game
Back Button - Not used.
Left Analog - Moves Jack forward, backward, and strafe left and right. Press down to crouch.
Right Analog - Turns Jack left and right, and look up and down. Press down to zoom in.
Directional Pad - Not used.
A Button - Interact with characters.
B Button - Ammunition information (Jack will state how much ammo he has available).
X Button - Not used.
Y Button - Drops weapons (except guns).
Right Bumper - Reload.
Left Bumper - not used.
Right Trigger - Pick up weapons / Melee with gun equipped (to shoot guns hold the left trigger down) / attack with fist or objects. Note Jack will reload automatically once he has run out of bullets and can only carry one gun at a time.
Left Trigger - Aim. To throw an object, hold the left trigger to zoom in and press the right trigger to release it at the intended target.
As KONG:Start Button - Pause Game
Back Button - Not used.
Left Analog - Moves Kong forward, backward, right and left.
Right Analog - Moves camera around Kong (3rd person)
Directional Pad - Not used.
A Button - Swipe with the left arm (both forward and backhand). Stun enemies when in rage/fury mode (see Y button below to enter rage/fury mode).
B Button - Grabs and releases/throws with the right arm. Note: This will grab enemies, objects and to pick up Ann.
X Button - Jump or run. Note: press X twice to jump from one place to another. Hold down the X button while on the ground to run or while hanging to climb/move faster.
Y Button - While an enemy is in Kong's grasp (see B Button above), pressing the Y button will cause Kong to bite the enemy's head off. With no enemies in Kong's grasp, press the Y button once and Kong will lift both arms. Tap it rapidly to turn on Kong's rage/fury. Note: The sky will turn golden after Kong beats on his chest which will indicate that Kong is in rage/fury mode. This will also slow down the game play allowing Kong to become more accurate as well as take less damage. Your rage/fury can be used infinitely without needing to wait for it to recharge. Just rapidly tap it again once it is over to start it up again.
Right Bumper - not used.
Left Bumper - not used.
Right Trigger - not used.
Left Trigger - not used.