Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Regenerate 500 shield energy on a single unit without taking friendly fire in an Unranked or Ranked game.
Complete the “Echoes of the Future” mission on Hard difficulty in less than 20 minutes.