Games like Eraser
Games like Eraser include Nova Drift, Halls of Torment, Hades II, Megabonk, and Hades. We matched them by the tags players give Eraser on Steam (Arena Shooter, Action RPG, Action, Action Roguelike, and Arcade): closest matches first, and among equally close ones the better-known games.

Nova Drift
Shared: Arena Shooter · Action Roguelike · Arcade

Halls of Torment
Shared: Action Roguelike · Action RPG · Roguelite

Hades II
Shared: Action · Roguelike · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Roguelite

Hades
Shared: Action Roguelike · Action · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Action RPG · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

BALL x PIT
Shared: Action · Arcade · Action Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Arena Shooter · Roguelite

Yet Another Zombie Survivors
Shared: Action Roguelike · Action RPG · Arcade

Brotato
Shared: Roguelike · Action Roguelike · Arena Shooter

SNKRX
Shared: Arena Shooter · Action Roguelike · Roguelite

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

Hero Siege
Shared: Action RPG · Action Roguelike · Roguelike

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

FatalZone
Shared: Action Roguelike · Arena Shooter · Action

Bounty of One
Shared: Arena Shooter · Action Roguelike · Colorful

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

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

Heroes of Hammerwatch II
Shared: Action RPG · Action Roguelike · Action

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Action RPG · Roguelike

Gunfire Reborn
Shared: Roguelike · Roguelite · Action

Arms of God
Shared: Action Roguelike · Arena Shooter · Action

Ravenswatch
Shared: Action Roguelike · Roguelike · Action