Games like Genetic Fluff
Games like Genetic Fluff include Castle Crashers®, Teenage Mutant Ninja Turtles: Shredder's Revenge, Warhammer 40,000: Space Marine 2, The friends of Ringo Ishikawa, and Black Myth: Wukong. We matched them by the tags players give Genetic Fluff on Steam (2D, Beat 'em up, Action-Adventure, Action, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Castle Crashers®
Shared: 2D · Beat 'em up · Co-op

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · 2D · Action-Adventure

Warhammer 40,000: Space Marine 2
Shared: Action · Co-op · Action-Adventure

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

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

Hero Siege
Shared: Pixel Graphics · Action RPG · Co-op

Broforce
Shared: 2D · Action · Co-op

Monster Hunter: World
Shared: Co-op · Action · RPG

Archvale
Shared: Action · 2D · Pixel Graphics

BlazBlue Entropy Effect
Shared: 2D · Action-Adventure · Action

The Slormancer
Shared: 2D · Action-Adventure · Pixel Graphics

FINAL FANTASY VII REMAKE INTERGRADE
Shared: Action-Adventure · Action RPG · RPG

Wayfinder
Shared: Action RPG · Action · Controller

BOKURA
Shared: 2D · Co-op · Pixel Graphics

Terraria
Shared: 2D · Pixel Graphics · Co-op

MARVEL Cosmic Invasion
Shared: Beat 'em up · Co-op · Pixel Graphics

Borderlands 4
Shared: Co-op · Action-Adventure · Action RPG

River City Girls 2
Shared: Beat 'em up · Action · 2D

Minecraft Dungeons
Shared: Action · Action-Adventure · RPG

WILD HEARTS™
Shared: Action · Action-Adventure · Co-op

Last Epoch
Shared: Action RPG · Action · Co-op

Minecraft Dungeons II
Shared: Action · Action-Adventure · RPG

Rogue Heroes: Ruins of Tasos
Shared: Co-op · Action · 2D

Chronicon
Shared: Action RPG · Pixel Graphics · RPG