Overall, these designs are better than what Patreon came up with for their branding redesign. So congrats! Here’s some unsolicited critique.
1–1 is neat, but it’s just an F. (What would it look like if the yellow drop shadow formed a P?)
It’s interesting to read about solving behavioral problems through UX design. I can definitely see where this design led to the creation of the new champion select.
In the final iteration, the Invite button is completely absent at the beginning. To me, that seems a bit confusing if I want to play with a friend. What was the…