Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Build a Factory during the first 270 seconds of a Melee game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Train 10 Marines during the first 320 seconds of a single Melee game.