Games like Eris One Stand
Games like Eris One Stand include BALL x PIT, Brotato, Nova Drift, Crab Champions, and Vampire Survivors. We matched them by the tags players give Eris One Stand on Steam (Shoot 'Em Up, Action Roguelike, Bullet Hell, Arcade, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Bullet Hell · Arcade · Action Roguelike

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Action Roguelike

Crab Champions
Shared: Action Roguelike · Arcade · Roguelike

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

The Spell Brigade
Shared: Bullet Hell · Action Roguelike · Online Co-Op

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

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Risk of Rain Returns
Shared: Action Roguelike · Online Co-Op · PvE

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

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelike

Returnal™
Shared: Bullet Hell · Roguelike · Action Roguelike

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

Apocalypse Party
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Roboquest
Shared: Action Roguelike · Bullet Hell · Online Co-Op

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

ANVIL
Shared: Action Roguelike · Top-Down Shooter · Roguelike

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Online Co-Op

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

Voidigo
Shared: Action Roguelike · Shoot 'Em Up · Bullet Hell

Gatekeeper
Shared: Bullet Hell · Roguelike · Action Roguelike

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

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade