Games like Project Vanguard
Games like Project Vanguard include Vampire Survivors, BALL x PIT, Nova Drift, Enter the Gungeon, and Brotato. We matched them by the tags players give Project Vanguard on Steam (Action Roguelike, Bullet Hell, Shoot 'Em Up, Top-Down Shooter, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · 2D
BALL x PIT
Shared: Bullet Hell · Action Roguelike · Shoot 'Em Up
Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Action Roguelike
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike
Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike
Time Wasters
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter
Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Shooter
Voidigo
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up
Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike
Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelike
Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell
Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up
Star of Providence
Shared: Bullet Hell · Action Roguelike · Shoot 'Em Up
Relic Hunters Zero: Remix
Shared: Action Roguelike · Twin Stick Shooter · Top-Down Shooter
Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter
Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Action Roguelike
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelike
Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Twin Stick Shooter
Rocket Rats
Shared: Action Roguelike · Bullet Hell · 2D
Windowkill
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter
Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Shooter
Crab Champions
Shared: Action Roguelike · Arcade · Bullet Hell
SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Twin Stick Shooter