Base game · 2010
Wings of Liberty
The Terran campaign. Jim Raynor leads a rebellion against the Dominion while Kerrigan's shadow looms over the sector. Free to play since 2017.
Expansions
Expansion · 2013
Heart of the Swarm
The Zerg campaign. Kerrigan sets out to rebuild the Swarm, with evolution missions that let you reshape your units.
Expansion · 2015
Legacy of the Void
The Protoss campaign led by Artanis, plus the epilogue that closes the trilogy. Standalone, with no need to own the earlier chapters.
Mission pack · 2016
Nova Covert Ops
Three mission packs starring the ghost agent Nova, set after the events of Legacy of the Void.