Flagship genre of the late 80s, early 90s, beat'em up, or beat-them-all, or Belt Action, often comes back to the same regardless of its name: smash the mouths of the bad guys, and if possible without give them a moment of respite. If it has known many evolutions over the years, in particular with the transition to 3D, the world of sniffing sometimes returns to its 2D origins, those of Double Dragon, Final Fight or even Streets of Rage. For those who like to fight in coop, here is our selection of the best beat'em up on Switch, a console that hosts many games of the genre at low prices, either in physics or in download.