SSirus

• 
• Registered: 2017-07-24
• Topics: 32
• Posts: 291

On 2018-08-18 23:30:23 ｜ Show All Posts

7＃

There are upgrades in the R&D Upgrade center that say like "Tech Lvl 1 Mastery, Advabced Tech Lv.2 Mastery, etc" those are the ones that unlock more slots for the research next week

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