FINISH REASON:

    1) complete game   | 2) all pass       | 3) abandon because too less points
 ----------------------+-------------------+----------------------------------------------
    mult deps on win   | mult_inc()        | mult_inc()
    calculate_points() | old_reason_set()  | old_reason_set()
    game_next(1)       | game_next(1)      | game_next(0)
    game_init()        | game_init()       | game_init()

    set old_reason
    mult++
    game_next(1)
    game_init()

 3) 
    mult++
    set old_reason
    game_next(0)
    game_init()