Games like Galactic Vanguard
Games like Galactic Vanguard include Vampire Survivors, Planes, Bullets and Vodka, Warhammer 40,000: Boltgun, LUFTRAUSERS, and Bit Blaster XL. We matched them by the tags players give Galactic Vanguard on Steam (Casual, Retro, 1990's, Arcade, and Boomer Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Pixel Graphics · Casual · Bullet Hell

Planes, Bullets and Vodka
Shared: Casual · Retro · Arcade

Warhammer 40,000: Boltgun
Shared: Retro · Boomer Shooter · Pixel Graphics

LUFTRAUSERS
Shared: Arcade · Pixel Graphics · Retro

Bit Blaster XL
Shared: Arcade · Casual · Shooter

MARVEL Cosmic Invasion
Shared: Arcade · Retro · Pixel Graphics

Huntdown
Shared: Pixel Graphics · Shooter · Retro

Geometry Wars: Retro Evolved
Shared: Casual · Arcade · Retro

Cyberhunt
Shared: Casual · Arcade · Retro

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Pixel Graphics · Arcade · Action-Adventure

Blazing Chrome
Shared: Retro · Pixel Graphics · Arcade

Progressbar95
Shared: Casual · Arcade · 1990's

UFO 50
Shared: Retro · Pixel Graphics · Arcade

Razortron 2000
Shared: Casual · Retro · Arcade

ZeroRanger
Shared: Arcade · Retro · Pixel Graphics

DUSK
Shared: Retro · Boomer Shooter · Shooter

METAL SLUG
Shared: Arcade · Retro · Side Scroller

Broforce
Shared: Pixel Graphics · Shooter · 2D

Kung Fury: Street Rage - Ultimate Edition
Shared: Arcade · Retro · Pixel Graphics

Terminator 2D: NO FATE
Shared: Arcade · 1990's · Pixel Graphics

Slots & Daggers
Shared: Casual · 1990's · Retro

Timberman
Shared: Casual · Pixel Graphics · Arcade

METAL SLUG 3
Shared: Arcade · Retro · Side Scroller

Retrowave
Shared: Retro · Casual · 1990's