Honestly, this is a pretty solid game. Despite the strange GUI and lack of context being given to understand how altering the formations, the game is pretty entertaining to watch and upgrade. The satisfaction of watching statistic growth makes this a very enjoyable experience as the exponential growth can happen on screen or being afk. The only real issue that I sort of had was the upgrade section being shuffled around every time I rejoined, and having no real visual context of what characters are currently playing except for the fact that they're listed in the game. Some kind of indicator or label of when the characters are actually in a certain position would be helpful and visually gratifying when assigning them in a way.
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I'm glad you had some fun with it. It was my first serious project and I'm still pretty proud of it for all its faults ^_^