The best DS games were extraordinary for the time, incorporating touch-screen inputs to deliver novel gameplay experiences.

Nishiura added that if the emulator also disables security measures like encryption, that could also be considered illegal.

This cult-classic Nintendo 3DS game from 2013 has started selling for well over $150 on average in recent months.

Even though all three systems were at different points in their life, Nintendo and other companies released a bevy of titles ...