In short, the team’s prior experience in making video games told them that it was imperative to have focused testing with strong feedback in order to shore up the title for launch. Thus, the closed beta test and the ensuing email feedback form.
It sounds as if the test was incredibly helpful to getting Osiris ready for release: “The cool thing is that we’re getting close. The beta feedback was largely positive and gave us insight into gameplay questions such as overall difficulty, progression, starting equipment, and all the new custom buildables. Since this experiment went so well we plan on conducting more focused test sessions.”