Keep trying is the only way you can hit big multiplier but of course luck will play the main role here, because without luck we will get no big multiplier even if we keep trying.
Below is my latest best multiplier but too bad the base bet is only 800 IDR or around $0.05.



It is a 5561x win, half of the maximum multiplier in the game (10,000x).
It reached 5000+ with some spins remaining and need x2 multiplier symbol only to hit max multiplier but missed it till the end of the free spins.