Games like MugiPunch
Games like MugiPunch include RWBY: Grimm Eclipse, ICEY, Momodora: Reverie Under The Moonlight, Internet Generation, and Your Only Move Is HUSTLE. We matched them by the tags players give MugiPunch on Steam (Side Scroller, Spectacle fighter, Beat 'em up, Difficult, and 2D Fighter): closest matches first, and among equally close ones the better-known games.

RWBY: Grimm Eclipse
Shared: Spectacle fighter · Beat 'em up · Action-Adventure

ICEY
Shared: Side Scroller · Female Protagonist · Action

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · Female Protagonist · Spectacle fighter

Internet Generation
Shared: Spectacle fighter · Beat 'em up · 2D Fighter

Your Only Move Is HUSTLE
Shared: 2D Fighter · Spectacle fighter · Side Scroller

SUPER CHICKEN JUMPER
Shared: Difficult · 2D · Action-Adventure

Rabi-Ribi
Shared: Female Protagonist · Side Scroller · Action-Adventure

Muse Dash
Shared: Female Protagonist · Cute · Anime

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · Side Scroller · Action-Adventure

The Vagrant
Shared: Side Scroller · Female Protagonist · 2D

Touhou Luna Nights
Shared: Side Scroller · Difficult · Female Protagonist

Stick It to the Stickman
Shared: Beat 'em up · 2D Fighter · Action

One Finger Death Punch
Shared: 2D Fighter · Beat 'em up · Action

Castle Crashers®
Shared: Beat 'em up · 2D · Funny

Afterimage
Shared: Side Scroller · Female Protagonist · Difficult

Geometry Dash
Shared: Difficult · 2D · Side Scroller

Kung Fury: Street Rage - Ultimate Edition
Shared: Beat 'em up · Side Scroller · 2D

Hollow Knight: Silksong
Shared: Difficult · 2D · Female Protagonist

Celeste
Shared: Difficult · Female Protagonist · 2D

Bladed fury
Shared: Side Scroller · Female Protagonist · Action

En Garde!
Shared: Spectacle fighter · Female Protagonist · Beat 'em up

Streets of Rage 4
Shared: Beat 'em up · Side Scroller · 2D

Phantom Breaker: Battle Grounds Classic
Shared: Beat 'em up · Side Scroller · Female Protagonist

Touhou Hero of Ice Fairy
Shared: Side Scroller · Female Protagonist · Cute