Overhand (A and Swing Down)
The machine rears its fist back and then does a small jump as it slams down with it.

Uppercut (A and Swing Up)
The alien device moves its fist back before swinging up to attack with it.

Machine Punch (A and Swing Left) [Can't Knockdown]
Mechagodzilla rapidly punches with his two fists, hitting targets multiple times.

Shotgun Punch (A and Swing Right)
The mech punches in quick succession with one fist and then does a powerful blow with the other.

Kick (B) [Can't Knockdown]
Mechagodzilla does a slow kick.

Stomp (B and Swing Down)
The monster slams his foot down in a move that has very little range.

Kick High (B and Swing Up)
Mechagodzilla leaps into the air with his foot out to strike.

Roundhouse (B and Swing Left)
Mechagodzilla extends his foot and rotates his body as he uses the momentum to land a powerful kick.

2foot Kick (B and Swing Right)
The alien device lunges and performs a dual kick with his feet.

Jet Sweep (A+B and Swing Down) [Can't Knockdown]
The jets on Mechagodzilla's back ignite and will push back opponents in range. This move does not cause any damage.

Plasma Uppercut (A+B and Swing Up)
Mechagodzilla fires its Plasma Grenade directed diagonally with an upward slant.

Plasma Finisher (A+B and Swing Left/Right)
The mech unleashes its Plasma Grenade. The reach of this move does not grow with Critical Mass, meaning it has a very small hit area once Mechagodzilla grows.

Laser Eyes (Hold C - Requires Energy)
Mechagodzilla releases lasers from its eyes. Unlike other beams, this attack can actually remove health bars if it deals enough damage.

Finger Missiles (Tap C - Requires 1 Energy)
The machine releases two missiles from its hands.

Flight (Hold Z while in the air)
While in the air, Mechagodzilla can use his jets to maintain his current altitude.

Spin Toss (Grapple Attack)
With the opponent in its grasp, the mech lifts them above his head and spins his upper body before using the momentum to throw them.