Playing through the game I’m up to psycho mantis, but to beat him your supposed to take your first controller and plug it into the second player port so he can’t read your mind. Is there any way I can switch player ports on retro arch on the iOS?
I believe if you go into the in-game RGUI menu, then go to settings > input options, you can set the ‘device’ to port #1.
I’m not 100% sure that will work (haven’t tested it to make sure), so if anyone else has a better suggestion, feel free to chime in.
There’s another way to beat Psycho Mantis: Keep calling the Colonel and he’ll tell you to use the second controller port, after that you need to get a game over. He’ll ask you if your second controller port is broken and suggests you to destroy the statues instead (I think this only works after he told you this).