Games like Mage Rage
Games like Mage Rage include Hades, Hades II, Soulstone Survivors, Shape of Dreams, and Hero Siege. We matched them by the tags players give Mage Rage on Steam (Action Roguelike, Hack and Slash, Score Attack, Roguelite, and PvE): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

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

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Hack and Slash

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

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

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

Yet Another Zombie Survivors
Shared: Action Roguelike · Roguelite · Top-Down Shooter

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

Death Must Die
Shared: Action Roguelike · Roguelite · Hack and Slash

Moonlighter
Shared: Hack and Slash · Roguelite · Action Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · PvE

Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite

Jotunnslayer: Hordes of Hel
Shared: Action Roguelike · Hack and Slash · Roguelite

Brotato
Shared: Action Roguelike · Roguelike · Roguelite

Last Epoch
Shared: Hack and Slash · Action RPG · Top-Down

Ravenswatch
Shared: Action Roguelike · Roguelike · Roguelite

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

Heroes of Hammerwatch II
Shared: Action Roguelike · Roguelite · RPG

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action RPG · RPG

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

Lost Castle
Shared: Action Roguelike · Hack and Slash · Roguelite

Army of Ruin
Shared: Action Roguelike · Hack and Slash · Roguelite

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie