The art style continues to charm and amaze me.
Perhaps for the TDC you could include the gyro angle, which constantly moved and whirled around as you adjusted the settings. You could fudge it a little by having the gyro angle show the average chance of success, similarly to your three colored bars on each gauge. Just a thought
Also, beta testers?? Where and how do I make this happen
And yes, I do want to buy a physical copy 1000%