Games like eyeDASH
Games like eyeDASH include Vampire Survivors, Windowkill, Bloody Hell, Bit Blaster XL, and Hollow Knight. We matched them by the tags players give eyeDASH on Steam (Bullet Hell, Mystery Dungeon, Souls-like, Twin Stick Shooter, and Collectathon): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Arcade

Windowkill
Shared: Bullet Hell · Arcade · Twin Stick Shooter

Bloody Hell
Shared: Bullet Hell · Twin Stick Shooter · Souls-like

Bit Blaster XL
Shared: Bullet Hell · Arcade · 2D

Hollow Knight
Shared: Souls-like · 2D · Singleplayer

Rogue: Genesia
Shared: Bullet Hell · Twin Stick Shooter · Arcade

Beat Hazard
Shared: Bullet Hell · Twin Stick Shooter · 2D

BALL x PIT
Shared: Bullet Hell · Arcade · Action

Geometry Wars: Retro Evolved
Shared: Twin Stick Shooter · Bullet Hell · Arcade

LUFTRAUSERS
Shared: Bullet Hell · Arcade · 2D

Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · 2D

Waves
Shared: Bullet Hell · Twin Stick Shooter · Arcade

Nex Machina
Shared: Bullet Hell · Twin Stick Shooter · Arcade

Hollow Knight: Silksong
Shared: Souls-like · 2D · Singleplayer

Exit the Gungeon
Shared: Bullet Hell · Arcade · 2D

Time Wasters
Shared: Bullet Hell · Twin Stick Shooter · 2D

Planes, Bullets and Vodka
Shared: Bullet Hell · Arcade · 2D

Nine Sols
Shared: Souls-like · 2D · Action

Minishoot' Adventures
Shared: Bullet Hell · Twin Stick Shooter · 2D

Boneraiser Minions
Shared: Bullet Hell · 2D · Arcade

Ball-it Hell
Shared: Bullet Hell · Souls-like · Arcade

Chippy
Shared: Bullet Hell · Twin Stick Shooter · Arcade

KILL KNIGHT
Shared: Bullet Hell · Arcade · Twin Stick Shooter

Salt and Sanctuary
Shared: Souls-like · 2D · Action