Games like Unshine Arcade
Games like Unshine Arcade include Megabonk, The Binding of Isaac: Rebirth, Vampire Survivors, Hades, and Halls of Torment. We matched them by the tags players give Unshine Arcade on Steam (Action Roguelike, Retro, Story Rich, Pixel Graphics, and Horror): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Bullet Heaven · Roguelite

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

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Story Rich

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

FAITH: The Unholy Trinity
Shared: Pixel Graphics · Horror · Retro

Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelike

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

Inscryption
Shared: Story Rich · Horror · Dark

UnderMine
Shared: Action Roguelike · Pixel Graphics · Roguelite

Hades II
Shared: Action Roguelike · Roguelite · Roguelike

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

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

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

Mouthwashing
Shared: Story Rich · Retro · Horror

BALL x PIT
Shared: Action Roguelike · Arcade · Roguelite

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

Children of Morta
Shared: Pixel Graphics · Action Roguelike · Roguelike

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

Moonlighter
Shared: Pixel Graphics · Action Roguelike · Roguelite

Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Pixel Graphics · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Horror · Roguelite

Noita
Shared: Pixel Graphics · Roguelike · Action Roguelike