Games like Gladiatory
Games like Gladiatory include Hades, Vampire Survivors, Hades II, Death Must Die, and Skul: The Hero Slayer. We matched them by the tags players give Gladiatory on Steam (Roguelite, Auto Battler, Action Roguelike, Hack and Slash, and Character Customization): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Roguelite · Action Roguelike · Hack and Slash

Vampire Survivors
Shared: Roguelite · Action Roguelike · Pixel Graphics

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

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

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

Halls of Torment
Shared: Roguelite · Action Roguelike · Pixel Graphics

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelite · Pixel Graphics

Moonlighter
Shared: Roguelite · Hack and Slash · Action Roguelike

Everything is Crab: The Animal Evolution Roguelite
Shared: Action Roguelike · Roguelite · Character Customization

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

Hero Siege
Shared: Action Roguelike · Hack and Slash · Pixel Graphics

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Roguelike

Streets of Rogue
Shared: Roguelite · Action Roguelike · Pixel Graphics

Cult of the Lamb
Shared: Action Roguelike · Roguelite · Character Customization

Dungreed
Shared: Action Roguelike · Roguelite · Pixel Graphics

暖雪 Warm Snow
Shared: Roguelite · Action Roguelike · Character Customization

Heroes of Hammerwatch II
Shared: Action Roguelike · Roguelite · Hack and Slash

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

Sephiria
Shared: Roguelite · Action Roguelike · Pixel Graphics

Wizard of Legend
Shared: Action Roguelike · Pixel Graphics · Roguelite

UnderMine
Shared: Roguelite · Action Roguelike · Pixel Graphics

Mount & Blade II: Bannerlord
Shared: Medieval · Character Customization · Strategy

Brotato
Shared: Action Roguelike · Roguelite · Roguelike

