Games like Carrot Heart
Games like Carrot Heart include Hades, Gunfire Reborn, Ravenswatch, Children of Morta, and Heroes of Hammerwatch. We matched them by the tags players give Carrot Heart on Steam (Action Roguelike, Online Co-Op, Roguelite, Indie, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Roguelite · Indie

Gunfire Reborn
Shared: Roguelite · Online Co-Op · Roguelike

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

Children of Morta
Shared: Online Co-Op · Action Roguelike · Roguelike

Heroes of Hammerwatch
Shared: Action Roguelike · Roguelite · Online Co-Op

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

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

Hades II
Shared: Roguelite · Action Roguelike · Action

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

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

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Dungeon Crawler

Wizard of Legend
Shared: Action Roguelike · Dungeon Crawler · Roguelike

Ember Knights
Shared: Action Roguelike · Roguelite · Online Co-Op

UnderMine
Shared: Action Roguelike · Roguelite · Dungeon Crawler

Streets of Rogue
Shared: Action Roguelike · Roguelite · Indie

Heroes of Hammerwatch II
Shared: Action Roguelike · Dungeon Crawler · Roguelite

Moonlighter
Shared: Roguelite · Action Roguelike · Dungeon Crawler

Shape of Dreams
Shared: Action Roguelike · Roguelite · Action

Vampire Survivors
Shared: Action Roguelike · Roguelite · Indie

Cinderia
Shared: Action Roguelike · Roguelite · Dungeon Crawler

SWORN
Shared: Roguelite · Action Roguelike · Indie

Risk of Rain (2013)
Shared: Action Roguelike · Indie · Roguelike

Lost Castle
Shared: Action Roguelike · Dungeon Crawler · Roguelite