Games like 12 MiniBattles
Games like 12 MiniBattles include Punch Club, Timberman, Rivals of Aether, Vampire Survivors, and MARVEL Tōkon: Fighting Souls. We matched them by the tags players give 12 MiniBattles on Steam (Casual, Sports, 2D Fighter, Archery, and Boxing): closest matches first, and among equally close ones the better-known games.

Punch Club
Shared: Boxing · 2D Fighter · Sports

Timberman
Shared: Casual · Indie · Arcade

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

Vampire Survivors
Shared: Casual · 2D · Indie

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

Golf With Your Friends
Shared: Casual · Sports · Indie

Lethal League
Shared: 2D Fighter · Sports · Indie

Backyard Baseball '97
Shared: Casual · Sports · Arcade

pureya
Shared: Casual · Arcade · 2D

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

Lethal League Blaze
Shared: 2D Fighter · Sports · Indie

Brawlhalla
Shared: 2D Fighter · Casual · Local Multiplayer

Vanguard Princess
Shared: 2D Fighter · Casual · Indie

One Finger Death Punch
Shared: 2D Fighter · Casual · Indie

UFO 50
Shared: Indie · Arcade · 2D

A Dance of Fire and Ice
Shared: Arcade · Casual · 2D

Bruisers 2D Boxing
Shared: Sports · Boxing · 2D Fighter

Thunder Ray
Shared: Casual · Sports · 2D Fighter

Shelldiver
Shared: Casual · Arcade · 2D

Cookie Clicker
Shared: Casual · Indie · Pixel Graphics

Razortron 2000
Shared: Casual · Arcade · Indie

A Few Quick Matches
Shared: Casual · 2D Fighter · Indie

Nodebuster
Shared: Casual · Arcade · 2D

Twin Shot Deluxe
Shared: Casual · Arcade · 2D