Games like Red Cap Squad: Zombie Source
Games like Red Cap Squad: Zombie Source include Vampire Survivors, Megabonk, Enter the Gungeon, Skul: The Hero Slayer, and Hades. We matched them by the tags players give Red Cap Squad: Zombie Source on Steam (Action, Action Roguelike, Souls-like, Zombies, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · 2D
Megabonk
Shared: Action Roguelike · Action · Bullet Hell
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Indie
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Indie
Hades
Shared: Action Roguelike · Action · Indie
Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer
Left 4 Dead 2
Shared: Zombies · Action · Survival
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Indie · Singleplayer
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Survival
FatalZone
Shared: Action Roguelike · Bullet Hell · Zombies
Death Road to Canada
Shared: Action Roguelike · Zombies · Action
The Binding of Isaac
Shared: Action Roguelike · Action · Indie
Dungreed
Shared: Action Roguelike · Action · 2D
Windowkill
Shared: Action · Action Roguelike · Bullet Hell
Hollow Knight
Shared: Souls-like · 2D · Indie
Dead Cells
Shared: Action Roguelike · Souls-like · 2D
Death Must Die
Shared: Action Roguelike · Bullet Hell · Action
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action
Yet Another Zombie Survivors
Shared: Action Roguelike · Zombies · Indie
Resident Evil 4
Shared: Action · Zombies · Survival
Hollow Knight: Silksong
Shared: Souls-like · Indie · 2D
BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D
SKYHILL
Shared: Action Roguelike · Survival · Zombies
BALL x PIT
Shared: Action · Action Roguelike · Bullet Hell