Emulation help with chuchu rocket(i know its single cart multiplayer)

[Coqito5]

i play the game with No$GBA(as far i know the only emulator that allows single cart multiplayer) and when i enter multiplayer(with single cart mode on) it crashes plz help

 

[Pablitox]

did you try visualboyadvance? it has a link mode

 

[Coqito5]

and single gamepak mode?

 

[Pablitox]

that's auto, i think.

 

[Coqito5]

its not auto and just leaving a window without loading a rom will not work because the other emulator freezes to launch both emulator's roms at the same time