Games like Ice Cream Wars
Games like Ice Cream Wars include Vampire Survivors, BALL x PIT, Megabonk, Octogeddon, and Disney Speedstorm. We matched them by the tags players give Ice Cream Wars on Steam (Casual, Racing, Action, Arcade, and Action Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Casual

BALL x PIT
Shared: Action · Arcade · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Action

Octogeddon
Shared: Action · Casual · Action Roguelike

Disney Speedstorm
Shared: Racing · Action · Arcade

Nova Drift
Shared: Arcade · Shoot 'Em Up · Roguelite

Haste
Shared: Action · Roguelite · Racing

Hades
Shared: Action Roguelike · Roguelite · Action

Nickelodeon Kart Racers 2: Grand Prix
Shared: Racing · Casual · Action

Apocalypse Party
Shared: Casual · Action Roguelike · Roguelite

Shape of Dreams
Shared: Action Roguelike · Action · Roguelite

Utopia Must Fall
Shared: Casual · Arcade · Roguelite

SNKRX
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

FlatOut 2
Shared: Racing · Action · Arcade

Goobies
Shared: Action Roguelike · Casual · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Crab Champions
Shared: Action Roguelike · Arcade · Casual

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

Need for Speed™ Unbound
Shared: Racing · Action · Arcade

Zombieville USA 3D
Shared: Action · Arcade · Action Roguelike

Retrowave
Shared: Racing · Casual · Action

Yet Another Zombie Survivors
Shared: Action Roguelike · Roguelite · Arcade

Touhou Endless Dream
Shared: Casual · Roguelite · Cartoon