You can always save, spend your research/credits on one set of upgrades, play a mission to unlock the achievements, then reload your save to spend the credits/points elsewhere. It was released on July 27, 2010.8 It was the first StarCraft II product and was released separately from the two expansions, Heart of the Swarm and Legacy of the Void,910 occurring before them chronologically.11 Wings of Liberty has 29 missions (though a maximum of. I'm assuming that you aren't as concerned about what order units are unlocked in, since that depends on a lot of things and it's hard to provide a definitive answer.Īnother variable to consider is that achievements aren't tied to a particular save. Wings of Liberty is the name of the StarCraft II terran campaign and episode. This cuts a lot of variables out of an optimal achievement-hunting run since you only have to have a plan up to the point in the campaign where you cap your research points, but there are still a lot of things to consider. This means that as soon as you progress far enough through the campaign to max out your research, you can take a break from the new missions to grind credits for any unit/building upgrades you may have missed. Once your Zerg/Protoss research is capped out at 25/25, replaying old missions will grant you 10k credits for each research point you re-earn.

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