Implement Coin-Based Player Join System with Credit Management

Is your feature request related to a problem? Please describe.

The current player join system does not replicate the classic arcade cabinet experience (e.g., Capcom/SNK games), in 
[Attract Mode] 
                       / "ARCADE" 
                       /  "TEAM ARCADE" 
such as:

Player 2 Can't Join Party in Character Select Screen.
Credits not being Showing when players start the game.