Games like NecroBouncer
Games like NecroBouncer include Hades, The Binding of Isaac: Rebirth, Moonlighter, Hades II, and Dead Cells. We matched them by the tags players give NecroBouncer on Steam (Pixel Graphics, Roguelike, Dungeon Crawler, Hack and Slash, and Roguelite): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Hack and Slash · Roguelite · Action Roguelike

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

Moonlighter
Shared: Pixel Graphics · Hack and Slash · Dungeon Crawler

Hades II
Shared: Roguelike · Hack and Slash · Roguelite

Dead Cells
Shared: Roguelike · Pixel Graphics · Action Roguelike

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

Vampire Survivors
Shared: Pixel Graphics · Action Roguelike · Roguelite

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

Enter the Gungeon
Shared: Roguelike · Pixel Graphics · Action Roguelike

Wizard of Legend
Shared: Pixel Graphics · Roguelike · Dungeon Crawler

Noita
Shared: Roguelike · Pixel Graphics · Dungeon Crawler

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

Death Must Die
Shared: Pixel Graphics · Action Roguelike · Roguelite

Dungreed
Shared: Pixel Graphics · Roguelike · Action Roguelike

UnderMine
Shared: Pixel Graphics · Dungeon Crawler · Roguelite

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

Cinderia
Shared: Roguelike · Hack and Slash · Action Roguelike

Megabonk
Shared: Roguelike · Action Roguelike · Roguelite

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

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

Nuclear Throne
Shared: Roguelike · Pixel Graphics · Action Roguelike

Heroes of Hammerwatch
Shared: Pixel Graphics · Roguelite · Action Roguelike

BALL x PIT
Shared: Roguelike · Roguelite · Action

Risk of Rain (2013)
Shared: Roguelike · Pixel Graphics · Action Roguelike