def METHOD_NAME(self) -> None:
    super().METHOD_NAME()
    is_pro = self._preset == 'pro'
    # In pro mode there's no powerups.
    if not is_pro:
        self.setup_standard_powerup_drops()
    # Make our on-screen timer and start it roughly when our bots appear.
    self._timer = OnScreenTimer()
    bs.timer(4.0, self._timer.start)
    # Spawn some baddies.
    bs.timer(
        1.0,
        lambda: self._bots.spawn_bot(
            ChargerBot, pos=(3, 3, -2), spawn_time=3.0
        ),
    )
    bs.timer(
        2.0,
        lambda: self._bots.spawn_bot(
            ChargerBot, pos=(-3, 3, -2), spawn_time=3.0
        ),
    )
    bs.timer(
        3.0,
        lambda: self._bots.spawn_bot(
            ChargerBot, pos=(5, 3, -2), spawn_time=3.0
        ),
    )
    bs.timer(
        4.0,
        lambda: self._bots.spawn_bot(
            ChargerBot, pos=(-5, 3, -2), spawn_time=3.0
        ),
    )
    # Add some extras for multiplayer or pro mode.
    assert self.initialplayerinfos is not None
    if len(self.initialplayerinfos) > 2 or is_pro:
        bs.timer(
            5.0,
            lambda: self._bots.spawn_bot(
                ChargerBot, pos=(0, 3, -5), spawn_time=3.0
            ),
        )
    if len(self.initialplayerinfos) > 3 or is_pro:
        bs.timer(
            6.0,
            lambda: self._bots.spawn_bot(
                ChargerBot, pos=(0, 3, 1), spawn_time=3.0
            ),
        )