Galaxy Brain How to get Galaxy Brain GitHub achievement step by step : 1. You need to go to the GitHub community address (https://github.com/community/community) . And select one of the feedback categories . 2. Now you need to find Unanswered Question's in any categories you want . and answer the questions. 3. Write correct answer to question ( Your answer must be the best possible answer to be selected as the submitted answer by the question designer ). 4. You need two submitted answers in any categories you want to get the Galaxy Brain achievement 5. Done , Now you can see that Galaxy Brain Achievement in your achievements list.