Defeat Electromace.

Kill an enemy via telefragging.

Get an enemy soldier to run into the lava.

Shoot the falling rocks in St. Athens.

Defeat Zilla on the train tracks.

Defeat Zilla using Gunner Mech.

Destroy a crate by dashing into it.

Throw a grenade for the first time.

Go from critical health back to full health.

Defeat Firestarter.

Defeat Falcodragon.