Games like Champion Shift
Games like Champion Shift include Halls of Torment, Soulstone Survivors, Vampire Survivors, Hades, and Hades II. We matched them by the tags players give Champion Shift on Steam (Action Roguelike, Bullet Hell, Hack and Slash, Twin Stick Shooter, and Roguelike): closest matches first, and among equally close ones the better-known games.

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

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

Hades II
Shared: Hack and Slash · Roguelike · Action Roguelike

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

Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Twin Stick Shooter

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Hero Siege
Shared: Action Roguelike · Hack and Slash · Action RPG

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

Temtem: Swarm
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

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

Shape of Dreams
Shared: Action Roguelike · Hack and Slash · PvE

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

Children of Morta
Shared: Hack and Slash · Roguelike · Action Roguelike

Moonlighter
Shared: Hack and Slash · Action Roguelike · Roguelite

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Roguelike

Windblown
Shared: Action Roguelike · Hack and Slash · Roguelite

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

Ravenswatch
Shared: Action Roguelike · Roguelike · Online Co-Op

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