Games like Crazy Flasher Series 2021
Games like Crazy Flasher Series 2021 include Warframe, Black Myth: Wukong, Yakuza Kiwami 2, The First Descendant, and The Vagrant. We matched them by the tags players give Crazy Flasher Series 2021 on Steam (Action, RPG, 2D Fighter, Beat 'em up, and Action RPG): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Action · Action RPG · RPG

Black Myth: Wukong
Shared: Action · RPG · Action RPG

Yakuza Kiwami 2
Shared: Action · RPG · Beat 'em up

The First Descendant
Shared: RPG · Action · Looter Shooter

The Vagrant
Shared: Action · RPG · Side Scroller

Eastern Exorcist
Shared: Action · RPG · Side Scroller

ASTLIBRA Revision
Shared: Action RPG · RPG · Side Scroller

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

ATLYSS
Shared: RPG · Action RPG · Action

Like a Dragon Gaiden: The Man Who Erased His Name
Shared: Action · Beat 'em up · Action RPG

Iron Snout
Shared: Action · 2D Fighter · 2D

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

Yakuza 6: The Song of Life
Shared: Action · RPG · Beat 'em up

The Shadow of Yidhra
Shared: Action · 2D Fighter · RPG

The friends of Ringo Ishikawa
Shared: Action · RPG · Beat 'em up

Charlie Murder
Shared: Action · Beat 'em up · RPG

Yakuza 3 Remastered
Shared: Action · Beat 'em up · RPG

Bladed fury
Shared: Action · RPG · Side Scroller

Middle-earth: Shadow of War
Shared: Action · RPG · Violent

Yakuza 4 Remastered
Shared: Action · Beat 'em up · RPG

Yakuza Kiwami
Shared: Action · RPG · Beat 'em up

Path of Kung Fu
Shared: RPG · 2D Fighter · Action

Dust: An Elysian Tail
Shared: Action · RPG · Beat 'em up

MEGA MAN X DiVE Offline
Shared: Action · RPG · Side Scroller