Games like Rabbit and Steel
Games like Rabbit and Steel include Enter the Gungeon, Vampire Survivors, Risk of Rain 2, The Binding of Isaac: Rebirth, and Nuclear Throne. We matched them by the tags players give Rabbit and Steel on Steam (Bullet Hell, Action Roguelike, Cute, Roguelike, and Anime): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Bullet Hell · Action Roguelike · 2D

Risk of Rain 2
Shared: Action Roguelike · Co-op · Roguelike

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

Hero Siege
Shared: Action Roguelike · Co-op · Roguelike

Sephiria
Shared: Action Roguelike · Co-op · Roguelike

Cuphead
Shared: Co-op · Difficult · Bullet Hell

Ravenswatch
Shared: Co-op · Action Roguelike · Roguelike

Brotato
Shared: Bullet Hell · Roguelike · Action Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Co-op

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · 2D

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

Wizard of Legend
Shared: Action Roguelike · Roguelike · Co-op

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

Pathogenic
Shared: Bullet Hell · Roguelike · Action Roguelike

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

Last Command
Shared: Bullet Hell · Cute · Anime

Spelunky
Shared: Action Roguelike · Roguelike · Difficult

The Swords of Ditto: Mormos Curse
Shared: Co-op · Action Roguelike · Roguelike

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

Monster Hunter: World
Shared: Co-op · Action · Difficult

Gatekeeper
Shared: Co-op · Bullet Hell · Roguelike

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