So I had a chat with Dave and need some input from you guys. If you haven't read the post yet, Dave is adding 'Achievement Badges' to the game. Which you can read on the suggestion thread or by clicking this (Thank Kira for suggesting it). The badges will look a little like this;
What I need from you guys is what achievement titles should be added?
For example; 10,000 kills, amount of times rebirthed or as you saw above, 500 hours played.