Hi LordDz,I'm the starcraft player in Asia Surver and i really like your creation on Wings of Liberty Coop Campaign. But I'm sorry to tell you there is the huge bug in the campaign.When I finish the 17B mission Ghost of a Chance I've saw there is no Upgrade on Ghost.And when I move forward to 18A Safe Haven. I discovered there is the Spectre i can only allow to train instead of ghost and the Nuke Cost is still the same as 100mineral and 100Gas Cost even i Upgrade the Nuke Cost Reduction Tech Tree. Furthermore,When we finish mission 14,the utter darkness and finish the Zerg LV5 Research(all of us get the different LV5research and i got the Psi Disruptor),We actually find out we can't Build Any of it. Neither Psi Disruptor or Hive Mind Emluator.As a result we pause to keep playing since that was a huge bug.I hope you can find the way to fix it.And have a nice day
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