Games like Tiff and Tussle
Games like Tiff and Tussle include Timberman, UFO 50, Vampire Survivors, Your Only Move Is HUSTLE, and MARVEL Tōkon: Fighting Souls. We matched them by the tags players give Tiff and Tussle on Steam (Action, Casual, 2D Fighter, Arcade, and 2D): closest matches first, and among equally close ones the better-known games.

Timberman
Shared: Casual · Action · 2D

UFO 50
Shared: Action · 2D · Arcade

Vampire Survivors
Shared: 2D · Casual · Pixel Graphics

Your Only Move Is HUSTLE
Shared: Action · 2D Fighter · 2D

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · 2D Fighter

Broforce
Shared: Action · 2D · Pixel Graphics

DJMAX RESPECT V
Shared: Casual · Action · Cute

Little Fighter 2 Remastered
Shared: Action · 2D Fighter · Arcade

Stick Fight: The Game
Shared: Action · 2D Fighter · 2D

Rivals of Aether
Shared: 2D Fighter · Pixel Graphics · 2D

Twin Shot Deluxe
Shared: Action · Casual · Arcade

Street Fighter™ 6
Shared: 2D Fighter · Arcade · Action

Streets of Rage 4
Shared: Action · 2D · Arcade

One Finger Death Punch
Shared: Action · 2D Fighter · 2D

Bopl Battle
Shared: 2D Fighter · Action · Cartoony

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Cute

Gensokyo Night Festival
Shared: Action · Casual · Pixel Graphics

Brawlhalla
Shared: 2D Fighter · Casual · Action

GUILTY GEAR -STRIVE-
Shared: 2D Fighter · Arcade · Action

Cyberhunt
Shared: Action · Casual · Arcade

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

Vanguard Princess
Shared: 2D Fighter · Action · Casual

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

Roof Rage
Shared: Action · 2D Fighter · 2D