Games like Whisker Squadron: Survivor
Games like Whisker Squadron: Survivor include Vampire Survivors, Nova Drift, BALL x PIT, Megabonk, and Halls of Torment. We matched them by the tags players give Whisker Squadron: Survivor on Steam (Action Roguelike, On-Rails Shooter, Bullet Hell, Shoot 'Em Up, and Flight): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Action Roguelike

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelite

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Star of Providence
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

Crab Champions
Shared: Action Roguelike · Bullet Hell · Arcade

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

I Am Legion: Stand Survivors
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

Voidigo
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Action-Adventure

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

Pass the Fear
Shared: Action Roguelike · Bullet Hell · Roguelite

Roboquest
Shared: Action Roguelike · Roguelite · Shooter