Games like Yee-Haw!!
Games like Yee-Haw!! include Vampire Survivors, Megabonk, BALL x PIT, Halls of Torment, and Death Must Die. We matched them by the tags players give Yee-Haw!! on Steam (Bullet Hell, Roguelite, Action Roguelike, Old School, and Action): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

BALL x PIT
Shared: Roguelite · Bullet Hell · Action

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

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

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

20 Minutes Till Dawn
Shared: Bullet Hell · Action Roguelike · Roguelite

Dead Cells
Shared: Action Roguelike · Adventure · Roguelite

Nova Drift
Shared: Bullet Hell · Roguelite · Action Roguelike

Noobs Want to Live
Shared: Bullet Hell · Action · Action Roguelike

Rocket Rats
Shared: Bullet Hell · Action Roguelike · Roguelite

Soulstone Survivors
Shared: Roguelite · Action Roguelike · Bullet Hell

Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · Roguelite

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

Crab Champions
Shared: Action Roguelike · Bullet Hell · Arcade

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelite

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

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

Blazing Beaks
Shared: Action Roguelike · Roguelite · Action

Tiny Rogues
Shared: Bullet Hell · Action Roguelike · Roguelite

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

The Spell Brigade
Shared: Roguelite · Bullet Hell · Action Roguelike

Magicraft
Shared: Roguelite · Bullet Hell · Action Roguelike