Beat the Terra-tron on the Lost Viking arcade machine.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.
While playing as Zerg, warp in a Zealot in a Melee game.
Destroy 20 units with a single High Templar in a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.