Games like Blaster!
Games like Blaster! include Broforce, UFO 50, Vampire Survivors, Hotline Miami, and Hotline Miami 2: Wrong Number. We matched them by the tags players give Blaster! on Steam (Action, Arcade, Shooter, Twin Stick Shooter, and 2D): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · 2D

UFO 50
Shared: Action · Arcade · Pixel Graphics

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

Hotline Miami
Shared: Action · Pixel Graphics · Indie

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Retro

LUFTRAUSERS
Shared: Arcade · Action · 2D

Exit the Gungeon
Shared: Arcade · Action · Indie

METAL SLUG
Shared: Action · Arcade · 2D

Duck Game
Shared: Action · Pixel Graphics · 2D

Planes, Bullets and Vodka
Shared: Action · Arcade · Shooter

Timberman
Shared: Action · Pixel Graphics · Arcade

Huntdown
Shared: Action · Shooter · Pixel Graphics

Cyberhunt
Shared: Action · Arcade · Twin Stick Shooter

Kung Fury: Street Rage - Ultimate Edition
Shared: Arcade · Action · Indie

METAL SLUG X
Shared: Action · Arcade · 2D

Warhammer 40,000: Boltgun
Shared: Action · Shooter · Pixel Graphics

KovaaK's
Shared: Action · Shooter · Indie

METAL SLUG 3
Shared: Arcade · Action · Shooter

Counter-Strike 2
Shared: Shooter · Action · Multiplayer

Enter the Gungeon
Shared: Pixel Graphics · Twin Stick Shooter · Indie

Streets of Rage 4
Shared: Action · Arcade · 2D

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D

Blazing Chrome
Shared: Action · Pixel Graphics · Retro

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Action · 2D