Down an enemy while you have less than 10% health

Deal 1,000 damage with gadgets

Down 4 enemies in one round

Down an enemy with a gadget while looking away from them

Down an enemy with a melee weapon

In it for life.

Call me master.

Call me sarge.

Well isn't that special.

First at bat.

Everybody starts somewhere.

Settle in, buttercup.

Kill an enemy with fall damage by knocking them off a ledge.