Battle.net

Destroy 30 units with Infested Terrans in an Unranked or Ranked game.

Score the rank of Gold in all the challenge missions.

Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.

Win 1000 1v1 Unranked or Ranked games as Zerg.

Destroy 5 units with a single Neural Parasited unit in an Unranked or Ranked game.